Great Britain
Elizabeth II Mint Error - Wrong Planchet 10 New Pence 1975 MS64 Brown PCGS, KM912. Struck on a 9.9gm bronze planchet.
https://coins.ha.com/itm/great-britain/great-britain-elizabeth-ii-mint-error-wrong-planchet-10-new-pence-1975-ms64-brown-pcgs-/a/3082-34186.s?type=CoinArchives3082
HID02906262019
© 2019 Heritage Auctions | All Rights Reserved
Estimate: 300-400 USD