It was photographed and produced by the Kilburn Brothers (Benjamin West Kilburn and his brother Edward Kilburn) of Littleton
Very good condition with a great warm patina
I'm pretty sure a very hard plastic
they are in good used condition with wear documented in photos
with a fold line down the center
Vintage Reverse Glass Portrait of Woman in Green native amercAN It was photographed and producedBased on the signature at lower left, I believe this reverse glass portrait was done by a kid names Aslam but I find her rather transcendent, and fabulously intense! To my eye, each element tilted head, ice blue eyes, matte cream skin, darker triangle nose, jet black hair, blood red lips, bright green shirt is just right, adding up to a portrait of a woman who seems to see straight into one's soul! (Also a bit as if composed in a Mr. Potato Head sort