Not an insulator, I collect bottles with scott's emulsion embossed on them, this one came from australia many yrs ago, has "AGM" on base; I believe this co. also mfg'd aust. insulators, nice blue-violet color, no damage to speak of, $25.00 ( now 20 dollars) plus 10.00 ship in US, nearly 9 inches tall, a "beaut" for the cheap, scott farrell, 2002 friendly, mt. pleasant, tx, 75455, 903 572 5533