Coors Beer Beautifully professional Framed display, rare 1910s JFO style B-21 Bottle Opener with prest-o- Lite key light, One 1930s Coaster, two 1940s matchbooks, Three 1940s cork Crowns/caps. Wood frame, double acid free matting, Ultra Vue anti reflective glass, UV Protected, Never Displayed. Please note Many older bottle openers have a small square hole called a "Prest-O-Lite Key". It was used to turn the valve on automobile gas headlights from about 1910 through the early 1930's before electric headlights were widely used.