This set includes a pair of earrings and a pin. There is filagree all around the edges. The pin measures approx. 1 3/4by 1" The pin and earrings have Mekkala goddess of Lightning and Ramasoom God of Thunder. The earrings are screw back. (not Pierced) Niello is a technique of copper, silver, and lead sulphides used as an inlay on engraved or etched metals. Most of it was completely hand made. Nielloware jewelery and related items from Siam (Thailand) were popular gifts from american soldiers taking R and R to their wife or girlfriend back home from 1930-1970's. Tourists bring home souvenirs and gifts from extend vacations and trips abroad during this period. Siam jewelery is very collectable because of the wide variety of items, variety of subjects and the mystic of the country. Please fee free to contact me if you have any questions. Thank you for shopping.