1963 John James Audubon Columbia Jays Single 5c Postage Stamp - MNH, OG - Sc# 1241 - CX208
1964 John Muir Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1245 - CX242
1964 John Muir Single 5c Postage Stamp - MNH, OG - Sc# 1245 - CX242
1965 Humane Treatment Of Animals Plate Block Of 4 5c Postage Stamps - MNH, OG -Sc# 1307`- CX266
1966 Great River Road Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1319`- CX238
1966 Humane Treatment Of Animals - Block of 4 5c Postage Stamps - Sc# 1307 - MNH, OG - DS162
1966 Humane Treatment Of Animals Plate Block Of 4 5c Postage Stamps - MNH, OG -Sc# 1307`- CX267
1966 Johnny Appleseed Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1317 - CX459
1966 Johnny Appleseed Single 5c Postage Stamp - Sc# 1317 - MNH,OG
1966 Migratory Bird Treaty Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1306`- CX244
1966 National Park Service - Single 5c Postage Stamp - Sc# 1314 - MNH,OG
1966 National Park Svc Anniversary Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1314 - CX288
1966 Plant for a more Beautiful America Single 5c Postage Stamp - Sc# 1318 - MNH,OG
1966 Plant For More Beautiful America Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1318`- CX236
1967 Audubon Columbia Jays Plate Block of 4 20c Air Mail Postage Stamps - Sc# C71 - MNH,OG
1968 Arkansas River Navigation Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1358 - CX347
1968 Arkansas River Navigation Single 6c Postage Stamp - MNH, OG - Sc# 1358 - CX347
1968 Hemisfair '68 - Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1340 - CX295
1968 Hemisfair '68 - Single 6c Postage Stamp - MNH, OG - Sc# 1340 - CX295
1968 Waterfowl Conservation Single 6c Postage Stamp - Sc# 1362 - MNH,OG
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
1970 Natural History Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1387-1390 - CX311
