George IV (1820-1830). AR crown. 1821. 

GEORGIUS IIII D G BRITANNIAR REX F D, laureate head left. Edge: ANNO REGNI SECUNDO. 
No legend, St. George slaying the dragon, date 1821 below.

Seaby 3805.

From the Gemini IV Auction, Closed January 8, 2008.
Lot # 573 
SE3805