Step back in time with this fascinating collection of antique stereoscopic cards and viewer. Wells’ selection of 71 eye charts is a unique addition to any collection of optical memorabilia. These cards were manufactured in the United States and have not been modified in any way. There is some spots on top of box and some slight discoloration on cards. Viewer has wear but is till usable. The collection includes a range of eye charts and other optical collectibles, making it a great choice for anyone interested in the history of medicine or optometry. Don’t miss out on this rare opportunity to own a piece of optical history.