Watch List notes:

The Common Seal of the Greater London Council, uniface medal, 1968, in Britannia silver, from Stuart Devlin's design for the Great Seal, 1964, as the previous lot but without legend, wt. 120.91gms., 57.5mm., (SD pp. 296-297), Hallmark of Royal Mint and maker JHJ, matt surface; with another in bronze, both mint state, silver extremely rare (2)
See footnote to previous lot.