One of these stamps is a genuine stamp and the other(s) is a forgery. Can you tell the difference? If you are having trouble, see the "hints" and answer below.
The genuine is engraved with the shading of the pearl at the base of the feather made by two shading lines that are merged together. Perf are 12, 13, 12x13, and 13x12. The forgery is lithograph printed on woven white paper. The shading of the pearl is made up of 3 curved lines.
Copyright 2024, American Philatelic Society. All Rights Reserved.
Scraping copyrighted material without authorization violates the DMCA.