Selling a very nice vintage round 10" Pyrex Carnival Glass Insulator with lead connector intact for $75 OBO. It is stamped and dated Oct 25, 1941(See pics). Also, under the glass are raised letters that read, "Pyrex T.M. Reg. U.S. Pat. Off. Made In U.S.A." Hard to photo but can be partially seen in the pics. In very good condition for its ago damage. Lead attachment measures 4" x 3 1/2".