Church & Dwight's "USEFULL BIRDS OF AMERICA" trading cards are a set of non-sport trading cards featuring songbirds illustrated by Louis Agassiz Fuertes. The set was manufactured in 1940-50’s and is part of the ninth series. The cards are numbered 1-6, 8-13, and 15 and are part of the Church & Dwight (ARM & HAMMER) franchise.