Fine Jewelry - This is an 18K yellow gold open heart link bracelet with a toggle clasp. 

It is marked Tiffany & Co, Elsa Peretti, Spain, and 750 for 18K gold. This bracelet is slightly over 7" long, .38" wide, weighs 18.7 grams. This bracelet has been professionally cleaned and comes in original Tiffany pouch.

Spectacular bracelet!