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Lot# 848 - Auction 284 - 290

  • Lot# : 848 Costa Rica

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    1941 (June 9): Airmail Boundary Treaty 15 c. on 20 c. deep blue, an unused example, variety "Surcharge Inverted", slightly browned large part og. Sanabria 72b.
    Starting bid : 100 CHF
    Hammer price : not sold