Vintage milk bottle cap, EL PASO Special Milk (not marked but this is from Colorado Springs Colorado and Colo is on the back in pencil), unused new old stock. See pictures for condition. Size is appx. 1 5/8" in diameter. NOTE: All of the milk bottle caps I have listed are guaranteed to be 100% authentic originals. They are all clean and ready for display. Thank you for your purchase, I appreciate it.