Original 1938 “Useful Birds of America” trade card from the Tenth Series, issued by Church & Dwight Co. for Arm & Hammer and Cow Brand Baking Soda. 

Measures about 1 7/8 x 3 inches. 

Front features a color bird illustration with printed species name, and the back includes period advertising copy plus bird information.

Condition: Card shows typical antique paper wear from age and handling, including toning, edge and corner wear, light surface marks, small spots, discoloration, and minor scuffs. Some cards may show small areas of paper loss, staining, or heavier edge wear. Please review photos closely for exact condition.