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Auction: 16USA - The Frederick R Mayer Collection of Costa Rica
Lot: 185

#C42P, 1940 35c La Sabana Airport air post, production file, with an enlarged artist´s photographic and handpainted model and a frame sunk bromide in issued color (card lightly creased), plus original photographs, worksheets and other collateral items, fine-very fine; ex-American Bank Note Company archives. Estimate US$ 250-300

Sold for
$700