Losnr. 2833 - 274.-283. Auktion
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Losnr. : 2833 Kolumbien
1919 (June 18): First Experimental Flight by William Knox Martin, overprinted 2 c. carmine-rose, position 5 on the form of 10 subjects showing "Numerals '1' with Serifs", tied to 1919 cover to Puerto Colombia by violet "Barranquilla" datestamps (June 18). File fold well away from the fine adhesive, a very rare cover. Cert. A. Diena (1965) Scott = $ 4'250+.rnrnAusruf : 2.500 CHFZuschlag : nicht verkauft