Watch List notes:

HANOVER. George III. 1760-1820. Proof AR Halfcrown (32mm, 14.31 g, 12h). New coinage. Dated 1816. Laureate bust right / Crowned and collared coat-of-arms. Edge: plain. ESC 615; SCBC 3788. In NGC encapsulation 4762389-001, graded PF 63. Attractive deep purple toning. A rare proof.