Vintage AGEM 14k Gold Filled Double Link Chain Spring Clasp Necklace. Marked 1/20 14K GF / 14K GF AGEM on clasp. Will need to be cleaned, otherwise good preowned condition with appropriate wear. Please see pictures for details. I will combine shipping.

Approximately - 

16" in length when unclasped (clasp included in measurements)
0.5mm wide double links
Less than 1 gram