Antique wall mirror w/ Reverse painting on glass scene.Old square head nails use

Antique wall mirror with a reverse painting on glass picture of a Colonial house and yard. Minor scratch and tiny paint chip loss mainly on top near the frame. Bubbles in old glass. Mirror is in great shape. Wood frame is beveled inward and is veneered in cherry? wood. Small chip missing in upper left corner. Frame is held together with 4 antique square head nails as pictured. Backside is a very early corrugated cardboard made to look like wood. It has an old sticker but pieces are torn to really see what it says completely. Size is 20 3/4" inches tall, 11 1/4" inches wide and 1" inch thick.