Watch List notes:

Elizabeth II The Machin Head 40th Anniversary of the design 1967-2007, 60mm diameter in silver, with matt fields and highlighted portrait in high relief, unusual in that the effigy of the Queen faces left, unlike the later adopted portrait on the stamps and coinage. An impressive piece 95.95 grammes of Sterling Silver FDC in the Royal Mail box of issue with certificate

Estimate: 50-75 GBP