1969 John Wesley Powell Plate Block Of 4 6c Postage Stamps - MNH, OG -Sc# 1374 - CX359
1969 Alabama Statehood Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1375 - CX360
1969 Botanical Congress Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1376-1379 - CX361
1969 Professional Baseball Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1381 - CX362
1969 Dwight D EisenhowerPlate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1383 - CX363
1970 Dwight D Eisenhower Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1393 - CX366
1967 - Alaska Purchase Airmail Plate Block Of 4 8c Postage Stamps - MNH - Sc# C70 - CX825
1967 Alaska Purchase Airmail Block Of 4 8c Postage Stamps - Sc# C70 - MNH, OG -CV17a
1966 Franklin D. Roosevelt Plate Block of 4 6c Postage Stamps - MNH, OG - Sc# 1284
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
1983 Hot Air Balloons Block Of 4 20c Postage Stamps - Sc 2032-2035 - CW209
1984 American Dogs Sc 2098-2101 Block Of 4 20c Postage Stamps - MNH - CW210
1980 Benjamin Banneker Block Of 4 15c Postage Stamps - Sc# 1804 - MNH, OG - CW23
1971 Giving Blood Saves Lives Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1425 - CX301
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 Space Viking Missions To Mars Plate Block Of 4 15c Postage Stamps - MNH, OG - Sc# 1759 - CX316
1992 - W. E. B. Du Bois Block Of 4 Postage Stamps - MNH - Sc# 2617- CW399a
1947 Philatelic Exhibition Sheet of 2 Postage Stamps - Sc# 948 - MNH, OG - CX889
1969 Moon Landing Airmail 10c Plate Block Postage Stamps - MNH, OG - Scott# C76 - CX442
1959-66 Lincoln Airmail Plate Block Of 4 25c Postage Stamps - MNH, OG - Sc# C59- CX428
