Antique Stereoscope Photo Card Black White Keystone Co Copyright 1900 Whimsical

Atq Stereoscope Photo Card B/W Keystone Co copyright 1900 Whimsical photo. I’ll Not Take On Another Stitch if I lose my place. Some discoloration from age and wear to card as seen in images. Some slight warping. Some rolling of edges and back stained. Signed on back but signature is too light to read. Sold as is