Church & Dwight Bird Cards

The Church & Dwight Co., the world's largest producer of sodium bicarbonate and the manufacturer of Arm & Hammer Baking Soda, once gave away free bird cards with each package of baking soda. In addition to carrying a portrait of a common North American bird, the cards usually carried some sort of environmental message. Click on "Bird Cards" on the company information for a brief history of the Church & Dwight bird cards, which are now valued collector's items.