Vintage sterling silver decorative arc collar necklace with openwork design. The necklace has a sterling silver chain with lobster clasp closure and extension chain. Weight is 17 grams.  The necklace measures approximately 41 cm (16 inches ) long and is adjustable by a further two inches to 18 inches.  It is in very good  condition. 

Condition: Very Good
Colour/Gemstone : Silver
Metal: Sterling silver
Size: Adjustable 16 to 18 inches , 41 to 46 cm
Era:  Estimated 1980's to 1990's