Thailand, Mines de Khaotrée, a silver token, c.1880, bust of Rama V left, rev. legend, edge plain, 32mm, 14.03g (cf. Müseler 62; cf. Taisei-Baldwin-Gillio 18 [1994], lot 966). Reverse stained, but good fine, of the highest rarity in silver, believed previously unpublished (£200-300)

The pair of copper and brass examples in the 1994 auction realised US $2000