Vintage soda pop bottle cap, POLAR GRAPE Polar Ginger Ale Co. Worcester Mass., picturing a polar bear, plastic lined. See pictures for condition. NOTE: The soda pop bottle caps I have listed are guaranteed to be 100% authentic originals. They are all unused and new old stock unless otherwise noted. Because I cannot picture every cap, the one pictured is representative of what you will receive. Thank you for your purchase I appreciate it.