White-metal pendant

Sheet silver pendant, diam. originally c. 2.5cm, but much damaged. Repoussé imitation of beaded wire rim, and inside this repoussé decoration consisting of two snakes with 3-strand interlinked bodies each biting the other's tail. They have 3-strand bodies, debased heads, with U-shaped jaws almost detached, the lower jaw curling under and back on itself. The whole mounted on wax, and a possible fragment of plain loop stuck on probably in wrong place. Style looks very Sandinavian, cf. Vendel etc.Grave 241? In favour of the identification also is the size, exactly 1 inch diam., the style of the rim, and the fact that there is an original label for this piece 'Kingston 1772'. Nothing else in the 1772 graves to fit.