Art Nouveau Boulder Opal Ring of 10k Gold antique butterfly One of the original turquoise

One of the original turquoise stones has a chip near the edge of the crimped collet

An Antique Opal Ring | Opal Halo Ring | 14k Gold Opal Ring | Pin Conversion Ring | Birthstone Ring | Ruby Diamond & Opal Ring Antique Ring

The charm was originally a cufflink (circa 1930) by Marcus & Co

The earrings measure 0

A lovely 10k rose gold "cigar band" style ring (circa 1880-1900) featuring an embossed pattern

Art Nouveau Boulder Opal Ring of 10k Gold antique butterfly One of the original turquoiseAn elegant boulder opal ring with vibrant blue color. The substantial mounting is 10k gold with a tiny diamond accent and dates to the Art Nouveau era (circa 1910). The boulder opal is a later replacement. The face of the ring measures 1. 2 inches from north to south by 0. 7 inches wide. It is in very good condition; however, there are subtle natural asymmetries to the boulder opal. The ring is currently a size 5. 25, but can be re sized free of