ZEISS 39-01-53 OQ 53 Z Light Bulb Angular Flange Corroded Spots ?Microscope

This listing is for 1 Light Bulb as pictured. ZEISS 39-01-53 Handwritten on box, OQ 53 Z is what appears to be printed on the bottom of the box. Has corroded appearing spots, as seen in the photos. Actual item pictured. I don't know any more details about it than what is on the packaging, which is not much! Please use the pictures for the best description & ask any questions you may have. Please see the ruler in the pictures for the best description of the sizes. All variations are for ONE package. If you need a quantity of packages, let me know so I can create a new listing for you. Smoke free home. Tac, the cat that I belong to, inspects everything she can get to for its salable worthiness. Be sure to check out all of my Goody & other hair care products to find the right ones for you. Consider Bundling for the best value! Shipping is the same flat price for all items you want in a package, up to 5lbs.