TURKEY. 20 Piastres, AH 1255 (1851). NGC Unc Details--Spot Removals, Rim Damage.Hawkins-pp. 839-40, #2. Copper sample by Maudslay Sons & Field. This sample is from Lambeth in London. Small spot on reverse with someone had lightly scraped some debris from the surface done long ago and now toned. Overall a handsome example despite the noted defect with a nice chocolate and mocha patina.