Seems to be bigger than whole-plate sized plate holder.
Vintage large format full photographic plate holder Rochester Optical Co.
Vintage wet dry plate film holder wood & Brass large format wpc photography
Pinhole Shutter Large Format Large Format Pinhole Aperture Shutter /26
Large Format Film Holders Dark Slides Vintage Camera Plate Holders Job Lot
Half Frame Dark Slide For 4x5 Large Format Cut Sheet Film Holder Panorama Photo
1x nr mint Fidelity Elite 5x4" Sheet Film Double Dark Slides large format holder
