Lovely french / German rose gold filled pocket watch chain, early 20th century. The coin fob is probably silver but can't be tested without damage. Gold filled marked in a lozange and marked "Kollmar L'inusable", german work for french market.
It is in excellent antique condition.
Length : 28,5 cm (11,22 in) Width : 5,94 mm (0,233 in)