Mid 20th Century, possibly Heisey. Clear, and they fluoresce green under black light. 2 3/4” Diameter x 2 1/8” Height DS #3061-10 All are in Excellent Condition, no chips or cracks. Note: Price is for the set of all 12 cups! International Buyers – Please Note: Free Shipping Applies to U.S. Only; Please email us before bidding for Shipping Amount to your country. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.” “These charges are normally collected by the delivering freight (shipping) company or when you pick the item up – do not confuse them for additional shipping charges.” “We do not mark merchandise values below value or mark items as ‘gifts’ – US and International government regulations prohibit such behavior.”