No mask required 302-507-6300 Olga Ganoudis Designs Internationally renowned designer, known for her artisan jewelry and Game Of Thrones dragon egg and jewelry collection, Her work is sold through galleries around the country .Olga’s studio is located in Wilmington,Delaware. You can stop in the studio to make purchases and check out the work that is being created. You can also shop online and have the work shipped to you promptly.