15th C. Old Master Portrait of a Woman

15th C. Old Master Portrait of a Woman. With a partial family crest (upper right). Oil on board. Several old labels attached verso. Appears to be unsigned, has not been examined out of the frame.
Provenance: Deceased Estate of Dr. John Schaeffer (Orlando Florida).

Sight Size: 24.5 x 19 in.
Overall Framed Size: 32 x 21 in.