Scott 2180 mint 21c - Chester Carlson (1988), 1986-93 Great Americans Commemoratives Stamps, representative stamp imaged.
Scott 2180 mint 21c - Chester Carlson (1988), 1986-93 Great Americans Commemoratives Stamps, representative stamp imaged.
Scott 2180 mint 21c - Chester Carlson (1988), 1986-93 Great Americans Commemoratives Stamps, representative stamp imaged.