Watch List notes:

George IV (1820-30), Proof Crown, 1821, laureate head left, rev. inverted die axis, St George and dragon, wwp upright below lance, date and bp in exergue, decus et tutamen. anno regni tertio. on edge, 28.08g (ESC 2317 [R3] {250}; S.3805), light and attractive cabinet tone overlying brilliant surfaces, practically as struck, very rare with the erroneous edge date.

Estimate: £5000 - £6000