Great Britain. Pattern Halfcrown, 1799. Forrer-volume II, pg.170. Silver. 33 mm. George III. Issued by Colonel William Fullarton, Obverse portrait of King left. Reverse crowned cruciform shields around garter star. Beautifully toned mint state, the Halfcrown is a particularly scarce denomination in this pattern series. Obverse has shades of grey and blue, the reverse has an appealing golden-green tone. NGC graded Proof 65. Estimated Value $1,300 - 1,500