NOS Vintage Flat Top 28 Glasses Lenses Nalco Lite 68mm Hard Resin - L For Sale

The NOS Vintage Flat Top 28 Glasses Lenses Nalco Lite 68mm Hard Resin are a pair of optical collectibles from the 1930s or later. These lenses, measuring 68mm, are made of durable hard resin and feature a flat top design. The Nalco Lite brand indicates they were likely made for use in eyeglasses, providing a vintage style that may appeal to collectors of optical items or those interested in the history of science and medicine.