This is a wonderfully detailed antique late Victorian/early Georgian fancy link mariner chain (also known as a tassel link) with a bevelled barrel clasp. There is an antique 9c stamp below the barrel clasp. A lovely addition to any neck stack but equally stunning worn on its own too!
 
Material: Solid antique hallmarked 9ct gold 
Weight: 7.4g
Measurements: 17.25” with a 2.2mm link
Dates: Victorian/early Georgian 1880-1910