George IV (1820-1830), Uniface trials for a Two Pounds, 182[–], by W. Wyon and J.-B. Merlen, in copper, bust left, rev. crowned arms on mantle, both edges nono, 7.98g, 8.13g [2]. Some hairlines, otherwise brilliant and virtually as struck, extremely rare £1,000-1,500

Provenance: Heritage Auction (Long Beach), 10 September 2009, lot 21102.

The edge year would suggest these pieces were made in 1828