Made of bronze, the ring appears to be made for a man's little finger and has a hidden "exit hole" where the poison could be poured out.
Found in a fortress on Cape Kaliakra, archeologists have been recovering various items including "more than 30 gold jewels, pearl earrings, rings set with precious and semiprecious gems." The poison ring, with a hollow cartridge set into a bezel, is rather modest in comparison. (photos)
This is the blog entry for August 21, 2013.