Watch List notes:

Hong Kong medallic trial piece, 38.5mm diameter in bronze, weight 24.62 grammes J Watt and Co, Soho, Birmingham, retrograde legends, 1864 date, HONG KONG MINT CHINA, rev. J.WATT AND CO., above ENGINEERS, LONDON, below & SOHO, BIRMINGHAM, edge plain (Prid. 321), VF with a few small rim nicks, Very Rare

Estimate: 800-1000 GBP