This lot of 8 vintage YALE Y1 keys includes a variety of brass and aluminum keys from different eras. Made in the United States, these door and padlock keys are collectible items ideal for enthusiasts of locks and keys. Each key offers a unique piece of history and craftsmanship, making them a valuable addition to any collection. These are all from my father’s long closed general contracting company. Add some ivy league keys to your collection..LOL