Proof Farthing, 1806, (early Soho), struck in gilt copper, by C H Kuchler, small laureate and draped bust right, brooch of seven jewels, K. on truncation, incuse lines for side whiskers, date below, legend similar to preceding coin, toothed border both sides, rev. inverted, Britannia seated left on rock, similar design to preceding coin, lower small plain exergue, BRITANNIA above, edge, grained (P.1387 KF13), small spot on reverse, brilliant, good extremely fine, rare