Archimede Seguso for Chanel blue and green glass link necklace 1960s

A vintage blue and green glass link necklace of 38 links of alternating emerald green glass and royal blue glass mounted with brass mounts with each tenth link having a rondelle of diamonte finished with an Archimede Seguso monogrammed box clasp closure - marked to the clasp "AS" for Archimede Seguso who produced these necklaces for Chanel in the sixties - total weight 70grms - wearable length 800mm width 15mm - c.1965 Italy