Great Britain. Proof Penny, 1806. Peck-1323; S.3780; KM-663. George III. Bronzed finish. Obverse laureate draped bust of king right. GEORGIUS III D:G: REX. date below. Reverse; Britannia seated left. Edge with centre graining. A superb mint state example. PCGS graded Proof 64. Estimated Value $700 - 800