A Norwegian sterling silver frame, of circular shape, set with blue translucent enamel on a guilloché ground, facet-cut glass, wood reverse and easel. David Andersen, Oslo 1888–1925. Diam. 14.5 cm. Minimal patina related to age and use, including a few small and light surface scratches on enamel and glass, a crack in the wood on the reverse, easel back with chips, and a chip to the removable back cover.