Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

British North America - Newfoundland - John Guy lithographed issue

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Start price: $300

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Description

1910, King Edward VII, imperforate trail color proof of 12c in bluish green, block of four printed on white paper without watermark, full OG, NH, VF and rare, NSSC 88c, C.v. US$1,200 as singles, Est. $600-$700 , Scott #96