This is a Cartier Sterling Silver Bowl from the 1964/65 New York Worlds Fair with an IBM Bronze Medal in its base. It measures 5 1/4 inches in diameter and is 1 3/4 inches in height.  Total weight of this item is 197.5 grams. Its got a bit of tarnish and a few small dents, please see photos and feel free to ask any questions, thanks!!