Kerr SELF SEALING TRADE MARK REG. WIDE MOUTH MASON, base: KERR GLASS MFG. CO. SAND SPRINGS, OKLA. PAT. AUG. 31 1915. Light sun colored amethyst (SCA) half gallon. Stunning with crinkles through the embossing, literally 1000s of seed bubbles, and a cascade of large bubbles down the back. Never used Kerr 2-piece gold lacquered tin lid.
Perfect . No damage of any kind. Hardly any scratches, even. Perfect smooth lip, threads, and bead. Negligible shelf wear.
As is, the jar is rare and beautiful. Left in the sun to turn darker purple, it will be a one-of-a-kind and gorgeous!