3c Orange Brown, Printed on
Both Sides (10a). Rich color, large margins to just in, bold small
Boston "Paid" grid cancel, back of stamp with clear impression of
Washington's head facing left as in printed stamp and also offset of
lettering at bottom, faint crease at top left not mentioned on accompanying
certificateVERY FINE APPEARANCE. THE UNIQUE EXAMPLE OF THE 3-CENT 1851 ISSUE PRINTED ON BOTH SIDES.
With 1975 P.F. certificate. Listed but unpriced in Scott (Image)