Here is one more World's Fair Padlock.
Up for auction this evening is an estate fresh Rare antique 1904 World's Fair - St. Louis pad lock. It measures 3.5 inches tall, 2.5 inches across. it is locked and i do not have the key, Condition is as you see it, Enlarge the photos and zoom in for a closer look and judge for yourself the condition. Guaranteed 100% old and authentic!!! NO RESERVE!!. Please ask all questions before you bid, all sales final. Because all items are found from estates, they are sold As-Is. - eBay (14 Jan 2012)This padlock had a high bid of $330 (Plus $6 Shipping).