Checkboard Square, Home of Purina Chows

Front:
Checkerboard Square, St. Louis, Mo. Home of Purina Chows RALSTON RALSTON RALSTON PURINA CO. PURINA CHOWS CEREALS CHOWS CHECKERBOARD SQUARE Home of PURINA CHOWSand RALSTON CEREALS

Back:
E3346L This is the home office and mill of the world's largest feed manufacturer. More than thirty milling properties are owned by the RALSTON PURINA COMPANY, strategically located throughout the United States and Canada to economically supply farmers with quality feeding rations to help them make money from meat, milk and eggs. 9B-H1593