The product is a scarce and vintage 1970's "DAD'S Root Beer" 12oz glass bottle that has never been opened. This collectible item is a piece of advertising history from the United States, making it a sought-after item for collectors of vintage Coca-Cola memorabilia. The unopened bottle adds an extra layer of rarity to the item, making it a unique and valuable piece for any Coca-Cola enthusiast.I don't know much about this,but it looks like it's from 1971.The numbers on the bottom are 23-I-71.And 445-C.I'm pretty sure that's what I can see.Thanks for looking.