1970 Save Our Soil, Cities, Water, Air Plate Block Of 4 6c Postage Stamps - Sc# 1410-1413 - MNH, OG - CX547
1970 Wildlife Conservation American Buffalo Single 6c Postage Stamp - Sc# 1392 - MNH,OG
1970 Wildlife Conservation Buffalo Bison Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1392 - CX302
1971 - Wildlife Conservation Block Of 4 8c Postage Stamps - Sc# 1427-1430 - MNH, OG - CX526a
1971 Historic Preservation Plate Block Of 4 8c Postage Stamps - MNH, OG - Sc# 1440-1443 - CX313
1971 Wildlife Conservation Plate Block Of 4 8c Postage Stamps - Sc# 1427-1430 - MNH, OG - CX526
1972 - National Parks Centennial Plate Block Of 4 6c Postage Stamps - Sc# 1452 - MNH, OG - CX520
1972 - National Parks Centennial Single 6c Postage Stamp - Sc# 1452 - MNH, OG - CX520
1972 National Park -Old Faithful Yellowstone- Single 8c Postage Stamp - Sc#1453 - MNH,OG
1972 National Parks Centennial Block of 4 15c Postage Stamps - MNH, OG - Sc# 1454 - BC45
1972 National Parks Centennial Cape Hatteras Plate Block Of 4 2c Postage Stamps - Sc# 1448-1451 - MNH, OG - CX521
1972 National Parks Centennial Plate Block of 4 15c Postage Stamps - MNH, OG - Sc# 1454 - BC45a
1972 National Parks Centennial Plate Block Of 4 8c Postage Stamps - MNH, OG - Sc# 1453 - CX312
1972 National Parks Centennial Single 15c Postage Stamp - MNH, OG - Sc# 1454 - BC45
1972 National Parks Hawaii Airmail Plate Block Of 4 11c Postage Stamps - MNH, OG - Sc# C84 - CX443
1972 National Parks Hawaii Airmail Single 11c Postage Stamp - MNH, OG - Sc# C84 - CX443
1972 USA Wildlife Conservation Block Of 4 - MNH, OG - Scott# 1464-1467 - CX314a
1972 Wildlife Conservation Plate Block Of 4 8c Postage Stamps - MNH, OG - Sc# 1464-1467 - CX314
1973 Rural American - Cattle Plate Block Of 4 8c Postage Stamps - Sc# 1504 - MNH, OG - CX562
1974 Chautauqua Tent Rural America Single 10c Postage Stamp - Sc# 1505 - MNH,OG
1974 Conservation Plate Block Of 4 10c Postage Stamps - MNH, OG - Sc# 1547 - CX326
1974 Mineral Heritage Plate Block Of 4 10c Postage Stamps - Sc# 1538-1541 - MNH, OG - CX478
1974 Preserve The Environment Block Of 4 10c Postage Stamps - Sc# 1527 - CW204
1974 Preserve The Environment Single 10c Postage Stamp - CW204a -Sc#1527
