Medium Format Slide Mounts Lot of 24

LOT OF 24 CARDBOARD MEDIUM FORMAT SLIDE MOUNTS. OVERALL MEASUREMENTS APPROXIMATELY 5 1/2 X 2 3/4 INCHES WITH 2 X 2 INCH WINDOW. THEY LOOK TO BE NEW OLD STOCK. THEY ARE VINTAGE AND THERE IS SOME SHELF WEAR BUT THEY LOOK LIKE THEY HAVENT BEEN USED.