Estate Tiffany & Co. sterling silver 1837 concave ring from circa 1997. This retired design features the iconic 1837 collection styling in a striking concave band measuring 6.8mm wide. Signed and authenticated, sized 7.5 with a weight of 4.9 dwt (7.6 grams). Due to its concave construction, this ring cannot be resized. Originally retailed for $550 when new. A distinctive vintage piece for collectors of classic Tiffany designs.