| Issuer: United States
Date: 1985 (1985 sheets) INCOMPLETE Block 1 (10, 2 x 5) 1, 1: 22c d=frilled dogwinkle 1, 2: 22c d=frilled dogwinkle 2, 1: 22c d=reticulated helmet 2, 2: 22c d=reticulated helmet 3, 1: 22c d=New England neptune 3, 2: 22c d=New England neptune 4, 1: 22c d=Calico Scallop 4, 2: 22c d=Calico Scallop 5, 1: 22c d=lightning whelk 5, 2: 22c d=lightning whelk |
External links: Colnect 94334-..tes_of_America Record of changes |
