Watch List notes:

Half Sovereign 1817 Milled Edge Proof S.3786, Wilson & Rasmussen 204. Reverse with crowned angular shield, with dot below. Frosted Bust and Reverse design on brilliant fields, in a PCGS holder and graded PR64DCAM. Of 7 examples on the PCGS Population Report, only this coin and one other have achieved the Deep Cameo designation. Only one is graded higher

Estimate: 10000-12500 GBP