Stainless Steel Golf Ball Marker — NCW 3DP Milled Op-Art No.1

Thin and light Stainless Steel ball marker with milled op-art patterns on both sides. 

Just under 1.3" in diameter and the same thickness as a quarter.   Weight is approximately 7g.   (For comparison purposes, a quarter weighs about 5.7g and is about 0.96" in diameter.)