1821 Sovereign, George IV, slabbed AU55 1821 Sovereign, George IV laureate head, reverse, St. George and dragon, date below, S.3800. This example is slabbed by NGC AU55. Date: 1821 Price: £1,775 ENQUIRY FORM To enquire about this Coin please use the form below Your Name* Your Email* Subject Your Message Human test: Which is bigger, 2 or 8?