Weimar Republic Proof "Karl von Stein" 3 Mark 1931-A PR66 Ultra Cameo NGC, Berlin mint, KM73, J-348. Awarded with a technical designation by NGC that has only been given to this coin and one other, none finer. The surfaces are nearly pristine but a touch of haze throughout prevents even loftier heights. HID09801242017 © 2024 Heritage Auctions | All Rights Reserved

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