Small Blue Vintage Dutch Enamel on Copper Decorative Dish outlet

Small, round Mid-Century Modern enamel on copper decorative dish (likely Dutch given provenance and the pattern / color on the underside). Asymmetrical pattern of lines, circles, and petals.
A beautiful piece of enamel that can be used for display purposes or as a small soap / keys / pin / jewelry dish.
Dish is in good, vintage condition with edge outlet wear / crazing, as shown.
We have the companion dish to this example listed separately (same size; different pattern / colors).
3.75ʺW × 0.5ʺD × 3.75ʺH