Gold Seal Micro Slides, 50mm x 75mm / 2in x 3in, Box of 72. This is an amazing find! Perfectly clear, large, 3x2 slides. "Made in U.S.A. Clean. Ready for use. Coated, Lint Free Box. Ground, Polished Edges." Manufactured by Clay Adams, Division of Becton, Dickinson and Company (B-D), Parsippany, NJ. Item no. 3021, thickness 1.21mm +/- 0.05mm, 1/2 gross (72 slides per box). US Pat. No. 2,998,879 Patented Canada 1962.
We have only 10 sealed boxes, and 1 unsealed box (used for photography). These slides are incredible and will not last long!