Here is a vintage Pyrex Flameware sapphire blue tinted glass saucepan, no handle. It is marked Flameware T.M. Reg. Pyrex U.S. Pat. Off. Made in U.S.A F-W 832 B on the base. There are some minor nicks around the rim and the base is scuffed with shelf wear. The pot is 6 7/8" wide and 2 3/4" tall.