Check the listing for details. RARE VINTAGE PETERSEN HATCHERY, SOMERS IOWA 24"X 17" PORCELAIN SIGN SUPER NICE. Color: Multi-color, Condition: Used, Made in United States. Listed at 475.00 USD. This product is a rare vintage porcelain over steel sign from the Peterson Hatchery in Somers, Iowa. Measuring 24" x 17", this original multi-color sign features the International Harvester brand and is a unique piece of advertising memorabilia. Made in the United States during the 1930s-1960s, this collectible item would make a great addition to any sign or vintage advertising collection. This sign is very very heavy.This product is a rare vintage porcelain over steel sign from the Peterson Hatchery in Somers, Iowa. Measuring 24" x 17", this original multi-color sign features the International Harvester brand and is a unique piece of advertising memorabilia. Made in the United States during the 1930s-1960s, this collectible item would make a great addition to any sign or vintage advertising collection. This sign is very very heavy.