拍品描述： Northumberland, Percy Main {Howdon Panns} Colliery, Countermark Dollar of 5-Shillings, stamped over 8-Reales, 1805-JP, Lima, laureate, draped and cuirassed bust right, serrated circular punch obscuring neck and face inscribed percy main colliery | 5/-, rev. crowned shield flanked by pillars, 27.19g (H E Manville, 2001, pp. 213, no. 106, fourth listed {this coin}; W A Seaby, BNJ 1965, pp. 139-48), once pierced at 12 oclock and now plugged and reworked with re-applied details to crown and head, wheel-scoring lines across bust around counterstamp as Seaby noted as typical for type, the host coin correspondingly fair to fine, the countermark very fine and exhibiting signs of double or even triple striking, otherwise extremely rare, one of a handful of examples known to commerce