Single 1999 California Gold Rush Single 33c Postage Stamp - Sc# 3316 - MNH,OG
1998 Klondike Gold Rush Single 32c Postage Stamp -Sc# 3235 - MNH,OG
1993 Columbus Landing in Puerto Rico Single 29c Postage Stamp - MNH, OG - Sc# 2805
1993 Columbus Landing in Puerto Rico Plate Block of 4 29c Postage Stamps - MNH, OG - Sc# 2805
1992 Juan Rodriguez Cabrillo Single 29c Postage Stamp - Sc# 2704 - MNG,OG
1992 Juan Rodriguez Cabrillo Plate Block of 4 29c Postage Stamps - MNH, OG - Sc# 2704
1984 Roanoke Voyages Single 20c Postage Stamp - Sc# 2093 - MNH, OG - CW34b
1982 Ponce DeLeon Single 20c Postage Stamp - Sc# 2024 - MNH,OG
1968 Marquette Explorer Single 6c Postage Stamp - Sc# 1356 - MNH,OG
1959 Artic Exploration 1909 Single 4c Postage Stamp - Sc#1128 - MNH,OG
1968 Daniel Boone Single 6c Postage Stamp - MNH, OG - Sc# 1357
1954 Lewis & Clark Expedition Single 3c Postage Stamp - MNH, OG - Sc# 1063
1998 Klondike Gold Rush Plate Block of 4 32c Postage Stamps - MNH, OG - Sc# 3235
1999 California Gold Rush Plate Block of 4 33c Postage Stamps - MNH, OG - Sc# 3316
1993 Columbus Landing in Puerto Rico Block of 4 29c Postage Stamps - MNH, OG - Sc# 2805
1959 Silver Centennial Plate Block of 4 4c Postage Stamps - Sc# - 1130 - MNH, OG - CX686
1984 Roanoke Voyages Block Of 4 20c Postage Stamps - Sc# 2093 - MNH, OG - CW34b
1984 Roanoke Voyages Plate Block Of 4 20c Postage Stamps - Sc# 2093 - MNH, OG - CW34a
1982 Ponce De Leon Block of 4 20c Postage Stamps - MNH, OG - Sc# 2024
1950 California Statehood Gold Plate Block of 4 3c Postage Stamps - Sc 997 - MNH - DS136b
