1957 Wildlife Conservation Whooping Cranes Plate Block Of 4 3c Stamps - MNH, OG - Sc# 1098 - (BC10a)
1961 Range Conservation Plate Block of 4 4c Stamps - MNH, OG - Scott# 1176 - CX898
1960 World Forestry Congress Plate Block of 4 4c Postage Stamps - MNH, OG - Sc# 1156
1966 Humane Treatment Of Animals Plate Block Of 4 5c Postage Stamps - MNH, OG -Sc# 1307`- CX267
1966 National Park Svc Anniversary Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1314 - CX288
1970 Wildlife Conservation Buffalo Bison Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1392 - CX302
1970 Natural History Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1387-1390 - CX311
1968 Wood Ducks In Flight Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1362 - CX351
1969 Beautification Of America Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1365-1368 - CX353
1969 Botanical Congress Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1376-1379 - CX361
1977 Butterflies Block Of 4 13c Postage Stamps Sc# 1712-1715
1974 Preserve The Environment Block Of 4 10c Postage Stamps - Sc# 1527 - CW204
1980 Coral Reefs Block Of 4 15c Postage Stamps Sc# 1827-1830 - CW205
1981 Desert Cactus Block Of 4 20c Postage Stamps - Sc 1942-1945 - CW208
1984 American Dogs Sc 2098-2101 Block Of 4 20c Postage Stamps - MNH - CW210
1972 National Parks Centennial Plate Block Of 4 8c Postage Stamps - MNH, OG - Sc# 1453 - CX312
1972 Wildlife Conservation Plate Block Of 4 8c Postage Stamps - MNH, OG - Sc# 1464-1467 - CX314
1978 USA Trees Block Of 4 15c Postage Stamps - Sc 1764-1767 - CW207a
1989 Dinosaurs Prehistoric Animals Block Of 4 25c Postage Stamps - Sc 2422-2425 - CW223
1988 Cats - Plate Block Of 4 22c Postage Stamps Sc# 2372-2375 - MNH - CX805
1999 Aquarium Fish Strip Of 4 33c Postage Stamps - Sc# 3317-3320 - MNH - BC11a
