There is no signature, because the pendant is double-sided and has no back, but this vintage 1940's necklace looks to be Dutch or British Delft porcelain. One side of the beautiful blue and white pendant features a hand-painted rose with foliage, and the other side features the classic Dutch windmill. The setting looks silver and has a textured design. Pendant measures approximately 3/8 inch and hangs from a 15.5 inch (39.4 cm) fine chainmaille style chain.
One owner, jewelry box kept, like new vintage condition.