2022Hudson Valley Auctioneers LLC Beacon NYEarly toy steam shovel, by Keystone Mfg Co, old labels, toy is 24" long, 7" wide & 14" high (asSee Sold Price
2022Annzstiques Auction HouseVintage Keystone Mfg Co 16mm Movie Camera Model A-16 untestedSee Sold Price
2022Annzstiques Auction HouseVintage Keystone Mfg Co 16mm Movie Camera Model A-16 untestedSee Sold Price
2022Annzstiques Auction HouseVintage Keystone Mfg Co 16mm Movie Camera Model A-16 untestedSee Sold Price
2023DuMouchellesKeystone Mfg. Co. (American) Chrome And Bakelite Cocktail Shaker Ca. 1920-1930, H 12.5"See Sold Price