This is a stunningly rare art deco era riviere style seed pearl and marcasite choker necklace.

If features twenty (20) stations each with a single marcasite and eight graduated size white/light gray seed pearls. The pearls range from 1.50-2.00mm. They have good luster and are round. 

It is in solid sterling silver and is stamped "925" on the clasp. The clasp is a box style disguised to look like one of the links. Total length is 15 inches and is a choker. Light patina on the metal. From the 1910's-1950's.

All pearls are truly vintage and have only been lightly cleaned.