1992 Proof Half Sovereign, Elizabeth II, NGC PF70 ULTRA CAMEO 1992 Proof Half Sovereign, Elizabeth II. Slabbed by NGC PF70 ULTRA CAMEO. £435 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?