Slide mounts with 63mm x 23mm aperture, for mounting xpan panoramic slides size 64mm x 24mm. Slow acting self adhesive inner surface to help with repositioning. Quantity.... 15. Good condition. Left over from my xpan days. free postage. Sorry, but I can't remember who made them. We used them to mount slides and negatives for viewing on a lightbox, and for submission to magazines and libraries.
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