This vintage Korky New Old Stock Tank Seal is a perfect addition to any plumbing collection. Made of high-quality rubber, it's designed to fit a toilet tank and prevent leaks. The seal comes in its original packaging from the 1950s, complete with a guide sheet, making it a unique and rare find. The black color and American style of this seal make it a perfect match for any vintage plumbing fixtures. Don't miss the opportunity to add this antique piece to your collection today!