10c Green, Ty. III/I (33/31). Block of four, bottom stamps Type I, top stamps Type III, original gum, top stamps h.r., pretty shade, accompanying certificate notes tiny black ink marks at bottom of Type I stamps, which are all but invisible

FINE. AN EXTREMELY RARE ORIGINAL-GUM COMBINATION BLOCK OF TYPES I AND III OF THE 10-CENT 1857 ISSUE.

Very few blocks are known, especially in original-gum condition. With 2002 P.F. certificate

Image Magnifier / Download

Power Search for Comparables