Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 3
Lot 1089:
1909-12(c), 7k deep blue, perforation L14¾ instead of harrow 14¼x14¾, printed on thin translucent gummed paper with imitation of vertical varnish lines, NH, VF and rare, Raritan Stamps guarantee, Est. $300-$400, Scott #78
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