2020 Proof Sovereign, King George III Privy, slabbed by NGC PF69 ULTRA CAMEO 2020 Proof Sovereign, King George III Privy, Elizabeth II. This example has been slabbed by NGC PF69 ULTRA CAMEO. Date: 2020 Price: £560 ENQUIRY FORM To enquire about this Coin please use the form below Your Name* Your Email* Your Message How did you find us? Please selectPublicationWord of mouthSearch engineOther Human test: Which is bigger, 2 or 8?