1968 Henry Ford Plate Block of 4 12c Postage Stamps - MNH, OG - Sc# 1286a
1968 Henry Ford Single 12c Postage Stamp - MNH, OG - Sc# 1286a
1970 Ben Franklin Plate Block Of 4 7c Postage Stamps - MNH, OG - Sc# 1393d - CX367
1973 Amadeo Giannini Plate Block of 4 21c Postage Stamps - MNH, OG - Sc# 1400
1973 Amadeo Giannini Single 21c Postage Stamp - MNH, OG - Sc# 1400
1976 Alexander Graham Bell Plate Block of 4 13c Postage Stamps - MNH, OG - Sc# 1683
1976 Alexander Graham Bell Sigle 13c Postage Stamp - Sc# 1683 - MNH,OG
1976 Bicentennial Ben Franklin Plate Block Of 4 13c Postage Stamps - MNH, OG - Sc# 1690 - CX342
1979 - Albert Einstein Plate Block Of 4 15c Postage Stamps - Sc# -1774 - MNH, OG - CX666
1979 - Albert Einstein Single 15c Postage Stamp - Sc# -1774 - MNH, OG - CX666a
1983 American Inventors Block Of 4 20c Postage Stamps - Sc# 2055-2058 - MNH, OG - CW246a
1983 American Inventors Plate Block Of 4 20c Postage Stamps - Sc# 2055-2058 - MNH, OG - CW246c
1991 - Jan E. Matzeliger Black Heritage Single 29c Postage Stamps - MNH - Sc# 2567 - CW393c
1991 - Jan E. Matzeliger Block Of 4 29c Postage Stamps - MNH - Sc# 2567 - CW393a
1991 Jan E. Matzeliger Black Heritage Plate Block Of 4 29c Postage Stamps - Sc# 2567 - MNH, OG - CW393b
1998 George Washington Carver Single 32c Postage Stamp - MNH, OG - Sc# 3183c
1999 Frederick L. Olmsted Plate Block of 4 33c Postage Stamps - MNH, OG - Sc# 3338
2001 Alfred Nobel Plate Block of 4 34c Postage Stamps - MNH, OG - Sc# 3504
2004 R. Buckminster Fuller Plate Block of 4 37c Postage Stamps - MNH, OG - Sc# 3870
2006 Benjamin Franklin Plate Block of 4 39c Postage Stamps - MNH, OG - Sc# 4021-4024
Elias Howe Single 5c Postage Stamp - Sc# 892 - MNH,OG
US 1940 Eli Whitney Plate Block of Four 1c Postage Stamps, Sc# 889, MNH, OG
