1980 Learning Never Ends Block of 4 15c Postage Stamps - MNH, OG - Sc# 1833a
1980 Organized Labor Block Of 4 15c Postage Stamps - Sc# 1831 - MNH, OG - CW21b
1980 Organized Labor Plate Block Of 12 15c Postage Stamps - Sc# 1831 - MNH, OG - CW21a
1980 Coral Reefs Plate Block Of 12 15c Postage Stamps Sc# 1827-1830 - CW205a
1979 Special Olympics Plate Block of 10 15c Postage Stamps - MNH, OG - Sc# 1788
1980 Architecture Plate Block Of 4 15c Postage Stamps - Sc# 1838-1841 - MNH, OG - CW22a
1980 Helen Keller & Anne Sullivan Plate Block Of 4 15c Postage Stamps - Sc# 1824 - MNH, OG - CW27b
1980 Helen Keller & Anne Sullivan Block Of 4 15c Postage Stamps - Sc# 1824 - MNH, OG - CW27a
1980 Edith Wharton Plate Block Of 4 15c Postage Stamps - Sc# 1832 - MNH, OG - CT56b
1981 Bobby Jones Golfer Block Of 4 18c Postage Stamps - Sc# 1933 - MNH, OG - CT71a
1980 Edith Wharton Block Of 4 15c Postage Stamps - Sc# 1832 - MNH, OG - CT56a
1980 Emily Bissell Tuberculosis Block Of 4 15c Postage Stamps - Sc# 1823 - MNH, OG - CT53a
1980 Indian Art Masks Block Of 4 15c Postage Stamps - Sc# 1834-1837 - CT38a
1979 Folk Art Plate Block Of 4 15c Postage Stamps - Sc# 1775-1778 - MNH, OG - CW29b
1979 Folk Art Plate Block Of 12 15c Postage Stamps - Sc# 1775-1778 - MNH, OG - CW29a
1981 Architecture Plate Block Of 4 18c Postage Stamps - Sc# 1928-1931 - MNH, OG - CW12a
1981 Bobby Jones Golfer Plate Block Of 4 18c Postage Stamps - Sc# 1933 - MNH, OG - CT71b
1981 Rachel Carson Plate Block Of 4 17c Postage Stamps - Sc# 1857 - MNH - CX807a
1982 America's Libraries Plate Block of 4 20c Postage Stamps - MNH, OG - Sc# 2015
1982 Aging Together Plate Block of 4 20c Postage Stamps - MNH, OG - Sc# 2011
1981 John Hanson, Continental Congress Plate Block of 4 20c Postage Stamps - MNH, OG - Sc# 1941
1981 James Hoban White House Architect Block of 4 18c Postage Stamps - MNH, OG - Sc# 1935
1979 Honoring Vietnam Veterans Block Of 4 15c Postage Stamps - Sc# 1802 - MNH, OG - CT73a
1981 Red Cross Plate Block of 4 18c Postage Stamps - MNH, OG - Sc# 1910
