1820 Halfcrown, George IV 1820 Halfcrown, George IV laureate head, reverse, Garnished shield, S.3807. This example is virtually uncirculated, scarce in high grade Monarch: George IV Date: 1820 Price: £400 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?