Watch List notes:

BRITISH COINS, George IV, Silver Crown, 1822, laureate head left, initials B.P. below legend around, rev St George slaying the dragon, date in exergue, initials B.P. to upper right, edge inscribed in raised letters and dated SECUNDO (ESC 251; S 3805). Attractively toned, tiny graze to lower truncation, otherwise practically as struck with lustre, rarer date.
from the David Sellwood collection

Estimate: £2000-2500