Spanish or French, circa 1910.

Placed inside a platinum and 18K gold floral motif frame, is an intricately carved miniature bone bust of Madonna with a platinum-topped gold halo embellished with rose-cut diamonds.

The depiction of Madonna is set against a plique a jour enamel background. Plique-à-jour (French for “letting in daylight”) is a vitreous enamelling technique which resembles stained glass. The technique was especially popular in Art Nouveau era jewelry of the 1890s – early 1900s.

The design of the pendant was influenced by 16th century Renaissance religious medallions.

The back of the pendant is engraved with a monogram.

Total length with bail is 48 mm (1 7/8 in.).

Width is 33 mm (1 1/4 in.)