Vintage 1950s Pyrex Flameware Blue Tint Glass Skillet 817-B & Saucepan 833-B Set. This set includes a round blue glass skillet and saucepan, both compatible with gas and electric stoves. Made by the brand PYREX in the United States, this antique two-piece set is an original from the 1950s and is a collectible piece of kitchen cookware.