1912 Ad Underwwood Stereopticons Antique Lantern Slide Overhead Projector TRV1

This is an original 1912 black and white print ad for Stereopticons Lantern Slides, a product by Underwood and Underwood, located at 12-14 West 37th Street in New York City. CONDITIONThis 99+ year old Item is rated Near Mint / Very Fine+. Light aging throughout. No natural defects. No surface rub. No tears. No water damage. Product Type: Original Print Ad; Black / White Grade: Near Mint / Very Fine+ Dimensions: Approximately 2.75 x 4.5 inches; 7 x 11 cm Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation) Keywords specific to this image: Vintage Advertising, Educational Materials, Educational MachineryTRV1A10C12