1930s Gladding McBean California pottery carafe in an experimental glaze: the company's glossy turquoise glaze is splattered from the top with a rich glossy blue violet glaze. Marked "GMcB" within a round oval mark used by Gladding McBean beginning in 1934, and stickered with a wine red and gold sticker used by Gladding McBean only from 1937 through 1941.