sandblast proof 上市 Deposited
One made by sandblasting coins given the normal multiple blows from polished dies; compare matte proof. Several variants of this finish appear on federal gold coins 1908-9, 1911-15.
- Breen Encyclopedia
One made by sandblasting coins given the normal multiple blows from polished dies; compare matte proof. Several variants of this finish appear on federal gold coins 1908-9, 1911-15.
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