World\'s Fair 1939 Antique Esso Glass Block Advertising Piggy Bank Break To Open For Sale

The product is an antique Esso glass block advertising piggy bank from the 1939 World's Fair in New York. This original collectible item features a theme related to gas and oil, reflecting the brand's association with the industry. Made in the United States, this piggy bank serves as both a unique advertising piece and a functional storage container for coins or trinkets, with the added element of having to break the block to open it for access.