Vintage Delft Windmill Oval Porcelain Silver Tone Stick Pin

Vintage silver tone oval stick pin featuring a painted artwork of a delft windmill on porcelain. The oval domed porcelain is framed by a scalloped silver tone border. It measures approximately 2 3/4" long and 1/2" wide at the widest point. It is unsigned. It is in excellent vintage condition. Please see the pictures for details.