U. S. STAMPS #331-342 – WASH-FRANK SET 12 – FLAT, p12, w191 – 1908 – USED
There are 220 major and 99 minor varieties in the series — it encompasses five design variations, two paper types, two watermarked as well as one unwatermarked type, three printing methods, at least 14 varieties of perforations, two overprints, several colors, and, 20 denominations. There are a number of aides that can be used for […]