 
                            
                    Auction: 11003 - Banknotes & Coins of Hong Kong & China                                                                                  
                    
                    Lot: 622
                
                    
                        Hong Kong, AE medallic trial piece, 38.5mm.,  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), edge knocks, very fine, rare  Estimate HK$ 6,000-7,000    This is a  machine trial piece by J Watt and Co struck to test a coining press they manufactured for the Hong Kong mint which was later used to strike the Hong Kong silver dollars. Specimens exist with both a plain and an engrailled edge.                        
                                            
                
                    
                        Sold for                    
                        
                        
                        HK$6,000