3.5" x 4.5" GLASS PLATE FILM HOLDER - ICA? VOIGTLANDER?

Description

Exterior dimensions are approximately 4.5" by 6.5" (not including dark slide), 5/8" thick. Inner holder adapter measures approximately 8cm x 10.3cm. See photos for condition. There is some age cracking around the screw holes but has no effect on use. Thanks for looking!