Vintage Sterling Silver & Green Agate Irish Celtic Cross. The piece is in excellent estate condition and ready to wear. It is hallmarked with the Irish national silver marks, 925 and the makers mark S.D. The piece is set with 4 pieces of green inlaid agate. The chain measures 18.5" long, the pendant measures 1" x .70" and the entire piece weighs a total of 2.9 grams