One-of-a-Kind Error Coins of Don Bonser Collection, Small Size Notes in Heritage Auctions
The
Heritage is open now for bidding at Coins.HA.com and will end with a live session beginning at 6 PM CT on May 22.
Error coins struck from clashed proof dies have become increasingly popular with collectors.
Lot 91191 is a 1977-S proof nickel, Proof 67 Ultra Cameo NGC, which shows prominent clashing in the central fields, but more importantly, the coin is also struck on a dime planchet, rendering it a dual error piece with significant visual interest, particularly fascinating due to its status as a Proof. The coin is brilliant and deeply mirrored, with the strong cameo contrast suggested by the assigned Ultra Cameo designation. The border legends are indistinct and run off the flan.
When coins are manufactured, things don’t necessarily go as planned, and the results can be both very intriguing and highly collectible. The Don Bonser Collection of United States Error Coins, Part 2 is evidence of this, containing 290 examples of “Murphy’s Law” in action. This month-long auction is open now for bidding at
Heritage Auctions, and will end with a live session beginning at 5 PM CT on March 8.
Like any other manufacturing facility, the
United States Mint has quality controls, and the vast majority of mint errors never leave the Mint. One particularly notable error in this offering is a 1974-S Silver Eisenhower Dollar, struck through a foreign object. Although in 1974 the