1/2" David Shamay SD Sterling Silver Irish Claddagh Friendship Earrings

1/2" David Shamay SD Sterling Silver Irish Claddagh Friendship Earrings Vintage solid sterling silver Irish Friendship Claddagh Stud Earrings. This is a well known designer. Original butterfly backs. I believe these were unused by the previous owner as there is no sign of use. Size: 0.50 inch Hallmarks / Stamps: SD 925 (Scale Finesse stamp) + unknown stamp,  Keywords: Birthday, Anniversary, Formal, Wedding, Gift, Prom, Business, Casual, Rare, Dance, Natural, Estate, Vintage, Antique