9k Gold Heart Double Pendant Locket Vintage c1970.
The gold is marked to the rear, this simply reads '9ct'. Good hinge & the locket snaps shut securely, inside there is no interior.
Size including bale 1.9 x 1.5cm or 0.7 x 0.6 inches.
Weight 0.6 grams or 0.3 penny weight.