GREAT BRITAIN. Nickel/Copper-Nickel-Tin Trial, ND (ca. 2015). Llantrisant Mint. PCGS MS-65.
This novelty piece presents an interesting peak into the attempts to refine the metallic composition of a new Pound coin, with this piece providing a very similar, but inversed by ring/core, composition to that which was ultimately adopted.
Estimate: $100.00 - $200.00