Isle of Man, George III (1760-1820), Second Issue, Proof 'Cartwheel' Penny, Soho, 1798, laureate and draped bust right, rev. treskelis, plain edge, 4h, 21.58g (Spink 7415a), a couple of bag marks to the cheek and surrounding field, otherwise with attractive brown and residually brilliant fields, good extremely fine.
Estimate: £300 - £400