The "512" in the Bing & Grøndahl (B&G) TEMA series refers to a round casserole dish (with lid). Designed by Danish designer Jens Harald Quistgaard, it was manufactured from 1970 to 1979. The TEMA series is made of stoneware and features a design with brown, green, and blue bands. The "512" model casserole dish's lid can also be used as a serving dish. Currently, the "512" casserole dish is no longer in production. It is a very rare and valuable vintage item. How about it for those looking for one? - TEMA 512 Casserole - Color: Gray - Material: Stoneware - Size: Approximately 19 cm in diameter Height (without lid): Approximately 7.5 cm Height (with lid): Approximately 11.5 cm Thank you for viewing.