9K Yellow Gold Anchor (Mariner) Links Chain,  
each link is measuring 4.5mm 
completed by solid spring ring clasp 
stamped 375 
 
Length: 53.5cm
Width: 2.5mm 
Total item's weight: 4.3gr. 
 
Italy, circa 1970's 
 
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Comes in a box, 
accompanied by valuation certificate