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Lot# 846 - Auction 284 - 290

  • Lot# : 846 Costa Rica

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    1937 (Dec 15): Airmail, National Exhibition issue, American Banknote Company Master Die Proof engraved in steel-blue (close to colour of the issued 20 c.), without Duty Plates on India paper in sunken card (152 x 101 mm.), file number 77809, fresh and very fine.
    Starting bid : 175 CHF
    Hammer price : 320 CHF