Filigree Heart Pierced Earrings 800 Silver

Vintage handmade 800 silver filigree double heart dangling pierced earrings They are tarnished black. They will polish up. I like the original patina so I left them as found. They are 2" long. Marked 80 silver in the back. I acid tested them and they tested closer to 925 sterling. Total weight 10.2 grams. Likely made in Mexico C. 1930.