My Account
Recent Activity
Profile
Contact Info
My Store
Sign-In and Security
Help
Community
Wish List
0
Please
sign in
for full site features
Find
Title
Publisher
Artist
Writer
Cover Artist
Storyline
1st Appearance
2nd Appearance
Origin
Death
Special Appearance
Action Comics
#981 Variation A
Jump to issue:
0
0/A
0/NS
1
1-2
1-3
1-4
1-5
1-6
1-7
1-8
1-9
1-10
1/A
1/A-2
1/A-5
1/Ash
1/B
1/C
1/D
1/E
1/F
1/G
1/H
1/I
1/J
1/K
1/L
1/M
1/N
1/O
1/P
1/Q
1/R
1/S
1/T
1/U
1/V
1/W
1/X
1/Y
1/Z
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
23/A
23/B
23/C
24
25
26
27
28
28/A
29
30
31
32
32/A
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
80/GIVE
81
81/GIVE
82
83
84
84/GIVE
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
242/A
242/B
242/C
243
244
245
246
247
248
249
250
251
252
252/A
252/B
252/C
252/D
252/E
252/F
252/G
252/H
252/I
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
419/A
419/B
419/C
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
454/A
454/B
454/C
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
481/A
482
482/A
483
483/A
484
484/A
485
485/A
486
486/A
487
487/A
488
488/A
489
489/A
490
490/A
491
491/A
492
492/A
493
494
495
495/A
496
496/A
497
497/A
498
498/A
499
499/A
500
501
501/A
502
502/A
503
503/A
504
504/A
505
505/A
506
507
507/A
508
508/A
509
510
511
512
512/NS
513
513/NS
514
514/NS
515
515/NS
516
516/NS
517
517/NS
518
518/NS
519
519/NS
520
520/NS
521
521/NS
522
522/NS
523
523/NS
524
524/NS
525
525/NS
526
526/NS
527
527/NS
528
528/NS
529
529/NS
530
530/NS
531
531/NS
532
532/NS
533
533/NS
534
534/NS
535
535/NS
536
536/NS
537
537/NS
538
538/NS
539
539/NS
540
540/NS
541
541/NS
542
542/NS
543
543/NS
544
544/NS
545
545/NS
546
546/NS
547
547/NS
548
548/NS
549
549/NS
550
550/NS
551
551/NS
552
552/NS
553
553/NS
554
554/NS
555
555/NS
556
556/NS
557
557/NS
558
558/NS
559
559/NS
560
560/NS
561
561/NS
562
562/NS
563
563/NS
564
564/NS
565
565/NS
566
566/NS
567
567/NS
568
568/NS
569
569/NS
570
570/NS
571
571/NS
572
572/NS
573
573/NS
574
574/NS
575
575/NS
576
576/NS
577
577/NS
578
578/NS
579
579/NS
580
580/NS
581
581/NS
582
582/NS
583
583/A
583/B
583/C
583/NS
584
584/A
584/NS
585
585/NS
586
586/NS
587
587/NS
588
588/NS
589
589/NS
590
590/NS
591
591/NS
592
592/NS
593
593/NS
594
594/NS
595
595/NS
596
596/NS
597
597/NS
598
598/NS
599
599/NS
600
600/NS
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
643/NS
644
644/NS
645
645/NS
646
646/NS
647
647/NS
648
648/NS
649
649/NS
650
650/NS
651
651/NS
652
652/NS
653
653/NS
654
654/NS
655
655/NS
656
656/NS
657
657/NS
658
658/NS
659
659/NS
660
660/NS
661
661/NS
662
662-2
662/NS
663
663/NS
664
664/NS
665
665/NS
666
666/NS
667
667/NS
668
668/NS
669
669/NS
670
670/NS
671
671/NS
672
672/NS
673
673/NS
674
674/NS
675
675/NS
676
676/NS
677
677/NS
678
678/NS
679
679/NS
680
680/NS
681
681/NS
682
682/NS
683
683-2
683-3
683/NS
684
684-2
684-3
684/NS
685
685-2
685-3
685/NS
686
686-2
686/NS
687
687/CS
687/NS
688
688/NS
689
689/NS
690
690/NS
691
691/NS
692
692/NS
693
693/NS
694
694/NS
695
695-2
695/NS
695/SC
696
696-2
696/NS
697
697-2
697/NS
698
698-2
698/NS
699
699-2
699/NS
700
700-2
700/A
700/NS
700/PL
701
701-2
701/NS
702
702-2
702/NS
703
703-2
703/NS
704
704-2
704/NS
705
705/NS
706
706-2
706/NS
707
707-2
707/NS
708
708-2
708/NS
709
709/NS
710
710/NS
711
711/NS
712
712-2
712/NS
713
713-2
713/NS
714
714-2
714/NS
715
715-2
715/NS
716
716/NS
717
717/NS
718
718/NS
719
719/NS
720
720-2
720/NS
721
721/NS
722
722-2
722/NS
723
723-2
723/NS
724
724-2
724/NS
725
725-2
725/NS
726
726-2
726/NS
727
727/NS
728
728/NS
729
729/NS
730
730/NS
731
731/NS
732
732/NS
733
733/NS
734
734/NS
735
735/NS
736
736/NS
737
737/NS
738
738/NS
739
739/NS
740
740/NS
741
741/NS
742
742/NS
743
743/NS
744
744/NS
745
745/NS
746
746/NS
747
747/NS
748
748/NS
749
749/NS
750
750/NS
751
751/NS
752
752/NS
753
753/NS
754
754/NS
755
755/NS
756
756/NS
757
757/NS
758
758/NS
759
759/NS
760
760/NS
761
761/NS
762
762/NS
763
763/NS
764
764/NS
765
765/NS
766
766/NS
767
767/NS
768
768/NS
769
769/NS
770
770/NS
771
771/NS
772
772/NS
773
773/NS
774
774/NS
775
775-2
775/A
775/B
775/C
775/D
775/NS
776
776/NS
777
777/NS
778
778/NS
779
779/NS
780
780/NS
781
781/NS
782
782/NS
783
783/NS
784
784/NS
785
785/NS
786
786/NS
787
787/NS
788
788/NS
789
789/NS
790
790/NS
791
791/NS
792
792/NS
793
793/NS
794
794/NS
795
795/NS
796
796/NS
797
797/NS
798
798/NS
799
799/NS
800
800/A
800/NS
801
801/NS
802
802/NS
803
803/NS
804
804/NS
805
805/NS
806
806/NS
807
807/NS
808
808/NS
809
809/NS
810
810/NS
811
811/NS
812
812-2
812/NS
813
813/NS
814
814/A
814/NS
815
815/NS
816
816/NS
817
817/NS
818
818/NS
819
819/NS
820
820/NS
821
821/NS
822
822/NS
823
823/NS
824
824/NS
825
825/NS
826
826/NS
827
827/NS
828
828/NS
829
829-2
829/NS
830
830/NS
831
831/NS
832
832/NS
833
833/NS
834
834/NS
835
835/NS
836
836/NS
837
837-2
837/NS
838
838/NS
839
839/NS
840
840/NS
841
841/NS
842
842/NS
843
843/NS
844
844-2
844/A
844/B
844/NS
845
845-2
845/NS
846
846/NS
847
847/NS
848
848/NS
849
849/NS
850
850/NS
851
851/A
851/B
851/NS
852
852/NS
853
853/NS
854
854/NS
855
855/NS
856
856/NS
857
857/NS
858
858-2
858-3
858/A
858/B
858/NS
859
859/A
859/NS
860
860/A
860/NS
861
861/A
861/NS
862
862/A
862/NS
863
863/A
863/NS
864
864/NS
865
865/NS
866
866-2
866/NS
867
867/NS
868
868/NS
869
869/A
869/NS
870
870/A
870/NS
871
871/A
871/NS
872
872/A
872/NS
873
873/NS
874
874/NS
875
875/NS
876
876/NS
877
877/NS
878
878/NS
879
879/NS
880
880/NS
881
881/NS
882
882/NS
883
883/NS
884
884/NS
885
885/NS
886
886/NS
887
887/NS
888
888/NS
889
889/NS
890
890-2
890/A
890/NS
891
891/NS
892
892/A
892/NS
893
893/NS
894
894/A
894/NS
895
895/NS
896
896/NS
897
897/NS
898
898/NS
899
899/NS
900
900-2
900/A
900/B
900/NS
901
901/A
901/NS
902
902/A
902/NS
903
903/A
903/NS
904
904/A
904/NS
957
957-2
957/A
957/B
957/C
957/NS
958
958-2
958/A
958/B
958/NS
959
959/A
959/NS
960
960/A
960/NS
961
961/A
961/NS
962
962/A
962/NS
963
963/A
963/NS
964
964/A
964/NS
965
965/A
965/NS
966
966/A
966/NS
967
967/A
967/B
967/NS
968
968/A
968/NS
969
969/A
969/NS
970
970/A
970/NS
971
971/A
971/NS
972
972/A
972/NS
973
973/A
973/NS
974
974/A
974/NS
975
975/A
975/C
975/NS
976
976/A
976/NS
977
977/A
977/NS
978
978/A
978/NS
979
979/A
979/B
979/NS
980
980/A
980/NS
981
981/A
981/NS
982
982/A
982/NS
983
983/A
983/NS
984
984/A
984/NS
985
985/A
985/NS
986
986/A
987
987/A
987/B
988
988/A
988/B
989
989/A
989/B
990
990/A
990/B
991
991/A
991/B
992
992/A
993
993/A
994
994/A
995
995/A
996
996/A
997
997/A
998
998/A
999
999/A
1000
1000/A
1000/B
1000/C
1000/D
1000/E
1000/F
1000/G
1000/H
1000/I
1000/J
1000/K
1000/L
1000/M
1000/N
1000/O
1000/P
1000/Q
1000/R
1000/S
1000/T
1000/U
1000/V
1000/V27
1000/V28
1000/V29
1000/V30
1000/V31
1000/V32
1000/V33
1000/V34
1000/V35
1000/V36
1000/V37
1000/V38
1000/V39
1000/V40
1000/V41
1000/V42
1000/V43
1000/V44
1000/V45
1000/V46
1000/V47
1000/W
1000/X
1000/Y
1000/Z
1001
1001/A
1001/B
1001/C
1002
1002/A
1002/B
1003
1003/A
1003/B
1004
1004/A
1005
1005/A
1006
1006/A
1007
1007/A
1008
1008/A
1009
1009/A
1010
1010/A
1011
1011/A
1012
1012/A
1013
1013/A
1014
1014/A
1015
1015/A
1016
1016/A
1017
1017/A
1018
1018/A
1019
1019/A
1020
1020/A
1021
1021/A
1022
1022/A
1022/B
1023
1023/A
1024
1024/A
1024/B
1025
1025/A
1026
1026/A
1026/B
1027
1027/A
1028
1028/A
1028/B
1029
1029/A
1030
1030/A
1030/B
1031
1031/A
1032
1032/A
1033
1033/A
1033/B
1034
1034/A
1035
1035/A
1036
1036/A
1037
1037/A
1038
1038/A
1039
1039/A
1039/B
1040
1040/A
1040/B
1041
1041/A
1042
1042/A
1043
1043/A
1044
1044/A
1044/B
1045
1045/A
1046
1046/A
1046/B
1047
1047/A
1047/B
1047/C
1048
1048/A
1048/B
1048/C
1048/D
1049
1049/A
1049/B
1049/C
1050
1050/D
1050/E
1050/F
1050/G
1050/H
1050/I
1050/J
1050/K
1050/L
1050/M
1050/N
1050/O
1050/P
1050/Q
1050/R
1050/S
1050/T
1050/U
1050/V
1050/V27
1050/V28
1050/V29
1050/V30
1050/W
1050/X
1050/Y
1050/Z
1051
1051-2
1051/A
1051/B
1051/C
1051/D
1051/E
1051/F
1051/G
1051/H
1051/I
1051/J
1051/K
1051/L
1051/M
1052
1052/A
1052/B
1052/C
1052/D
1052/E
1052/F
1053
1053/A
1053/B
1053/C
1053/D
1053/E
1053/F
1053/G
1053/H
1054
1054/A
1054/B
1054/C
1054/D
1054/E
1055/A
1055/B
1055/C
1055/D
1055/E
1055/F
1056/A
1056/B
1056/C
1056/D
1056/E
1056/F
1056/G
1056/H
1056/I
1056/J
1056/K
1056/L
1057/A
1057/B
1057/C
1057/D
1057/E
1057/F
1057/G
1057/H
1058/A
1058/B
1058/C
1058/D
1058/E
1058/F
1059/A
1059/B
1059/C
1059/D
1059/E
1059/F
1060/A
1060/B
1060/C
1060/D
1060/E
1060/F
1060/G
1060/H
1061/A
1061/B
1061/C
1061/D
1061/E
1061/F
1061/G
1061/H
1062/A
1062/B
1062/C
1062/D
1062/E
1062/F
1063/A
1063/B
1063/C
1063/D
1063/F
1064/A
1064/B
1064/C
1064/D
1064/E
1064/F
1064/G
1065/A
1065/B
1065/C
1065/D
1065/E
1065/F
1066/A
1066/B
1066/C
1066/D
1066/E
1067/A
1067/B
1067/C
1067/D
1067/F
1068/A
1068/B
1068/C
1068/D
1068/F
1069/A
1069/B
1069/C
1069/D
1069/F
1069/G
1070/A
1070/B
1070/C
1070/D
1070/G
1071/A
1071/B
1071/C
1071/D
1072/A
1072/B
1072/C
1072/D
1073/A
1073/B
1073/C
1073/D
1074/A
1074/B
1074/C
1074/D
1075/A
1075/B
1075/C
1075/D
1075/F
1075/G
1075/H
1075/I
1076/A
1076/B
1076/C
1076/D
1076/F
1076/G
1077/A
1077/B
1077/C
1077/D
1078/A
1078/B
1078/C
1078/D
1078/F
1078/G
1079/A
1079/B
1079/C
1079/D
1079/E
1080/A
1080/B
1080/C
1080/D
1081/A
1081/B
1081/C
1081/D
1081/E
1082/A
1082/B
1082/C
1082/D
1083/A
1083/B
1083/C
1083/D
1083/F
1084/A
1084/B
1084/C
1084/D
1084/F
1085/A
1085/B
1085/C
1085/D
1086/A
1086/B
1086/C
1086/D
1086/F
1087/A
1087/B
1087/C
1087/D
1087/F
1088/A
1088/B
1088/C
1088/D
1089/A
1089/B
1089/C
1089/D
1090/A
1090/B
1090/C
1090/D
1090/E
1091/A
1091/B
1091/C
1091/D
1092/A
1092/B
1092/C
1092/D
1093/A
1093/B
1093/C
1094/A
1094/B
1094/C
1094/D
1095/A
1095/B
1095/C
1096/A
1096/B
1096/C
1096/D
1096/E
1096/F
1097/A
1097/B
1097/C
1097/D
1098/A
1098/B
1098/C
1099/A
1099/B
1099/C
1099/D
1100/A
1100/B
1100/C
1100/D
1100/E
1100/F
1101/A
1101/B
1101/C
1101/D
1102/A
1102/B
1102/C
1102/D
1103/A
1103/B
1103/C
1103/D
1103/E
1103/F
1104/A
1104/B
1104/C
1104/D
1104/E
1105/A
1105/B
1105/C
1105/D
1000000
1000000/NS
Anl 1
Anl 1/NS
Anl 2
Anl 2/A
Anl 3
Anl 3/NS
Anl 4
Anl 4/NS
Anl 5
Anl 5/NS
Anl 6
Anl 6/NS
Anl 7
Anl 7/NS
Anl 8
Anl 8/NS
Anl 9
Anl 9/NS
Anl 10
Anl 10/A
Anl 10/B
Anl 11
Anl 11/A
Anl 12
Anl 13
Anl 2021
Anl 2021/A
Anl 2022
Anl 2022/A
Anl 2023/A
Anl 2023/B
Anl 2023/C
Anl 2023/D
Anl 2023/E
Bk 1
Bk 2
Bk 3
Bk 4
Bk 5
Bk 5/HC
Bk 6
Bk 7
Bk 8
Bk 9
Bk 10
Bk 11
Bk 12
Bk 13
Bk 14
Dlx 1/HC
Dlx 2/HC
Dlx 3/HC
SE 1
DC
·
August, 2017
Revenge, Part 3
Writer:
Dan Jurgens
Artist:
Jackson Herbert
From
$6.00
DSprenger
has 2 copies from $6.00
2 copies from other sellers from $4.98
Sort:
Condition (high to low)
Price (low to high)
Seller rating (high to low)
Very Fine to Near Mint
DSprenger
US
🚚 Free shipping
★
★
★
★
★
$6.00
🛒 Add to cart
Very Fine to Near Mint
DSprenger
US
🚚 Free shipping
$25.00 min order
★
★
★
★
★
$6.00
🛒 Add to cart
Add to wish list
Min condition:
Any
NM
VF-NM
MT
NM+
NM-
VF+
VF
VF-
FN+
FN
FN-
VG+
VG
VG-
GVG
GD+
G
GD
GD-
G-
FA+
FA
FA-
P
RAMT
RANM+
RANM
RANM-
RAVF+
RAVF
RAVF-
RAFN+
RAFN
RAFN-
RAVG+
RAVG
RAVG-
RAG+
RAG
RAG-
RAFA+
RAFA
RAFA-
RAP
Ungraded
CGC 10.0
CGC 9.9
CGC 9.8
CGC 9.6
CGC 9.4
CGC 9.2
CGC 9.0
CGC 8.5
CGC 8.0
CGC 7.5
CGC 7.0
CGC 6.5
CGC 6.0
CGC 5.5
CGC 5.0
CGC 4.5
CGC 4.0
CGC 3.5
CGC 3.0
CGC 2.5
CGC 2.0
CGC 1.8
CGC 1.5
CGC 1.0
CGC 0.5
CBCS 0.3
CBCS 0.1
PGX 10.0
PGX 9.9
PGX 9.8
PGX 9.6
PGX 9.4
PGX 9.2
PGX 9.0
PGX 8.5
RCBCS 10.0
RCBCS 9.9
RCBCS 9.8
PGX 8.0
RCBCS 9.6
RCBCS 9.4
PGX 7.5
PGX 7.0
RCBCS 9.2
RCBCS 9.0
RCBCS 8.5
PGX 6.5
PGX 6.0
RCBCS 8.0
RCBCS 7.5
PGX 5.5
PGX 5.0
RCBCS 7.0
RCBCS 6.5
PGX 4.5
PGX 4.0
RCBCS 6.0
RCBCS 5.5
PGX 3.5
PGX 3.0
RCBCS 5.0
RCBCS 4.5
PGX 2.5
PGX 2.0
RCBCS 4.0
RCBCS 3.5
PGX 1.8
PGX 1.5
RCBCS 3.0
RCBCS 2.5
PGX 1.0
RCBCS 2.0
RCBCS 1.8
RCBCS 1.5
RCBCS 1.0
PGX 0.5
RCBCS 0.1
RCBCS 0.3
RCBCS 0.5
RCGC 10.0
RCGC 9.9
RCGC 9.8
RCGC 9.6
RCGC 9.4
RCGC 9.2
RCGC 9.0
RCGC 8.5
RCGC 8.0
RCGC 7.5
RCGC 7.0
RCGC 6.5
RCGC 6.0
RCGC 5.5
RCGC 5.0
RCGC 4.5
RCGC 4.0
RCGC 3.5
RCGC 3.0
RCGC 2.5
RCGC 2.0
RCGC 1.8
RCGC 1.5
RCGC 1.0
CGC 0.3
CGC 0.1
RCGC 0.5
RCGC 0.1
RCGC 0.3
PSA 10.0
EGS 10.0
EGS 9.9
PSA 9.9
PSA 9.8
EGS 9.8
EGS 9.6
PSA 9.6
PSA 9.4
EGS 9.4
EGS 9.2
PSA 9.2
PSA 9.0
EGS 9.0
EGS 8.5
PSA 8.5
RPSA 10.0
RPSA 9.9
RPSA 9.8
PSA 8.0
EGS 8.0
RPSA 9.6
RPSA 9.4
EGS 7.5
PSA 7.5
PSA 7.0
EGS 7.0
RPSA 9.2
RPSA 9.0
RPSA 8.5
EGS 6.5
PSA 6.5
PSA 6.0
EGS 6.0
RPSA 8.0
RPSA 7.5
EGS 5.5
PSA 5.5
PSA 5.0
EGS 5.0
RPSA 7.0
RPSA 6.5
PSA 4.5
EGS 4.5
EGS 4.0
PSA 4.0
RPSA 6.0
RPSA 5.5
PSA 3.5
EGS 3.5
EGS 3.0
PSA 3.0
RPSA 5.0
RPSA 4.5
PSA 2.5
EGS 2.5
EGS 2.0
PSA 2.0
RPSA 4.0
RPSA 3.5
PSA 1.8
EGS 1.8
EGS 1.5
PSA 1.5
RPSA 3.0
RPSA 2.5
PSA 1.0
EGS 1.0
RPSA 2.0
RPSA 1.8
RPSA 1.5
RPSA 1.0
PSA 0.3
PSA 0.5
EGS 0.3
EGS 0.5
EGS 0.1
PSA 0.1
RPSA 0.1
RPSA 0.3
RPSA 0.5
RPGX 10.0
RPGX 9.9
RPGX 9.8
RPGX 9.6
RPGX 9.4
RPGX 9.2
RPGX 9.0
RPGX 8.5
RPGX 8.0
RPGX 7.5
RPGX 7.0
RPGX 6.5
RPGX 6.0
RPGX 5.5
RPGX 5.0
RPGX 4.5
RPGX 4.0
RPGX 3.5
RPGX 3.0
RPGX 2.5
RPGX 2.0
RPGX 1.8
RPGX 1.5
RPGX 1.0
RPGX 0.5
CBCS 10.0
CBCS 9.9
CBCS 9.8
CBCS 9.6
CBCS 9.4
CBCS 9.2
CBCS 9.0
CBCS 8.5
CBCS 8.0
CBCS 7.5
CBCS 7.0
CBCS 6.5
CBCS 6.0
CBCS 5.5
CBCS 5.0
CBCS 4.5
CBCS 4.0
CBCS 3.5
CBCS 3.0
CBCS 2.5
CBCS 2.0
CBCS 1.8
CBCS 1.5
CBCS 1.0
CBCS 0.5
PGX 0.3
PGX 0.1
RPGX 0.1
RPGX 0.3
Max price:
🛒
Added to cart
Check Out
Keep shopping