2 old crystal carafe or bottle coasters signed BACCARAT - 1 with 1 micro chip on the inner edge & 1 with 2 chips on the inner edge - presence of friction in the interior & exterior center (photos) - in good used condition, taken out of the attic, in their found juice External diameter 14.1 cm - Internal diameter 12 cm - Height 2.5 cm - Weight 670 g.