1914-1940 Revolutionary and Early 20th Century Period 1922, Airmail

1914-1940 Revolutionary and Early 20th Century Period 1922, Airmail, 50c. represented in 14 colour proofs with "MUESTRA" overprint in the upper left corner, mostly possessing gum, nearly all in different shades, this being an extremely difficult feature in such large group. Rare and appealing.

Stima:€1,339

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