In 1934, the United States government passed the Migratory Bird Hunting Stamp Act, better known as the Federal Duck Stamp Act. The Southern Marsh Duck Stamp series embodies the historic program. Each design recognizes an element that the Federal Duck Stamp program was designed to preserve. Made from ultra soft, 100% light weight cotton, this t-shirts is the definition of comfort. Be sure to snag one of these for your wardrobe.