Heritage Auctions, Auction 63172, Lot 46052 INCO 25 cent blank. Brilliant Uncirculated NGC. 1964-65. RB-5300. 7.74 g. Struck in 100% molybdenum. Only four pieces are known. Dark oxide spots and streaks are noted on both sides. Four pieces were received from A. K. Hegedus, Product Engineer, Refractory Metals, of General Electric Co. on November 18, 1964.
HID05401242017
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