Vintage Pewter Bottle Coaster Finstain B

This is a vintage pewter bottle coaster from Belgium.

It's a simple coaster with a charming relief rim.
It's also useful as a trinket dish for rings or small items.
The back is stamped "ETAIN" (pewter) and with the mark of the brand FINSTAIN (a Belgian company).

Condition: There are some stains, scratches, and slight distortion. You can appreciate the soft vintage feel.
Size: Diameter 12cm x Height 1cm
Era: Mid-20th Century