An 18ct gold 'Diamonds by the Yard' necklace, by Elsa Peretti for Tiffany & Co.

An 18ct gold 'Diamonds by the Yard' necklace, by Elsa Peretti for Tiffany & Co.
Spectacle-set with twelve vari-size brilliant-cut diamonds, to a fine cable-link chain, London hallmark, 91.5 cm long, in maker's pouch and outer case
Signed Tiffany & Co., Elsa Peretti, T & Co.