Clear Glass Measurements Shot Glass. Raised Measurement Levels of Table, Tea, CC and OZ Wrap the Glass. Actual Shot Glass is About 2 1/4 Inches Tall and a Little Under 2 Inches in Diameter at Widest. Bottom of the Shot Glass has an A in a Circle, USA, the Number 41 and what is either a 5 or a S. The A in a Circle could be Armstrong Cork Company, But unsure. Please see Closeups. No Chips or Cracks. Very Nice Condition.