London - Holborn, Paul Skidmore's mule Halfpenny, Dove flying left within olive wreath, rev GB cypher, rev diagonal milling over SKIDMORE HOLBORN LONDON, 29mm/12.35gm. (DH 594). Another the same but bronzed and rounded plain edge, 28.75/12.18gm. (DH 594a). Both good Extremely Fine, first with full blazing mint lustre, second good bronze iridescent toning, proof‑like and extremely rare ‑ unrecorded 'RRR'. [2]
Bronzed example ex 'an old Surrey Col.' via Mark Rasmussen Sep. 2016.