Vintage milk bottle caps, Lot of 50, ENGELHARDT'S DAIRY Bay City Mich., Buttermilk, in excellent+ to n-mint+ unused new old stock condition. Some of these have some ink voids. You get all 50 for one price. Size is appx. 3 3/8" in diameter. NOTE: All of the advertising items 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.