Vintage milk bottle cap, GRAY'S BUTTERMILK Phone Cove 20RX (not marked but this is from La Grande Oregon and OR is written in pen on the back), picturing a star, 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.