1964 Doctors Mayo Clinic Single 5c Postage Stamp - MNH, OG - Sc# 1251`- CX253
1962 Seattles World Fair Single 4c Postage Stamp - Sc# 1196 - MNH,OG
1968 Hemisfair '68 - Single 6c Postage Stamp - MNH, OG - Sc# 1340 - CX295
1964 Verrazano-Narrows Bridge, New York Single 5c Postage Stamp - MNH, OG - Sc# 1258 - CT90c
1957 Coast And Geodetic Survey Single 3c Postage Stamp - Sc# 1088 - MNH,OG
1952 Grand Coulee Dam Reclamation Single 3c Postage Stamp - Sc# 1009 - MNH,OG
1946 Smithsonian Institution Single 3c Stamp - Sc#943 - MNH,OG
1982 Architecture Plate Block Of 4 20c Postage Stamps - Sc 2019-2022 - MNH - CW482b
1981 Architecture Plate Block Of 4 18c Postage Stamps - Sc# 1928-1931 - MNH, OG - CW12a
1980 Architecture Plate Block Of 4 15c Postage Stamps - Sc# 1838-1841 - MNH, OG - CW22a
1958 Brussels International Exhibition Plate Block of 4 3c Postage Stamps - MNH, OG - Sc# 1104
1968 Hemisfair '68 - Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1340 - CX295
1946 Smithsonian Institution Plate Block of 4 3c Postage Stamps - MNH, OG - Sc# 943
1982 Knoxville World's Fair Plate Block Of 4 - MNH, OG - Scott# 2006-2009 - DS179a
1982 Architecture Block Of 4 20c Postage Stamps - Sc 2019-2022 - MNH - CW482a
1981 Architecture Block Of 4 18c Postage Stamps - Sc# 1928-1931 - MNH, OG - CW12
1980 Architecture Block Of 4 15c Postage Stamps - Sc# 1838-1841 - MNH, OG - CW22b
1964 Doctors Mayo Clinic Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1251`- CX253
1965 New York Worlds Fair Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1244`- CX243
1964 Verrazano-Narrows Bridge, New York Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1258 - CT90a
1962 Seattle World's Fair Plate Block Of 4 4c Postage Stamps - Sc# 1196 - MNH, OG - CX495
1957 Coast & Geodetic Survey Plate Block of 4 3c Postage Stamps - MNH, OG - Sc# 1088
1952 Grand Coulee Dam Reclamation Plate Block of 4 3c Postage Stamps - MNH, OG - Sc# 1009
1982 Knoxville World's Fair Block Of 4 - MNH, OG - Scott# 2006-2009 - DS179
