This 1825 miniature by Nathaniel Rogers has been decoupaged onto an antique German saucer, the maker of which I’ve yet been unable to identify. The saucer is a delicate, serrated leaf with gilt venation. 

4” x .75” x 4”

Nathaniel Rogers was an American painter from Long Island known as the preeminent miniature portrait painter in New York City in the early part of the 19th century.