Vintage milk bottle cap, LUTHER ANDERSON Grade A Raw Milk Dial 5-7551 (not marked but this is from Marshall Texas and has Marshall Texas written in pen on the back), 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.