1966 Migratory Bird Treaty Anniversary 5c Black, Crimson, and Dark Blue

1966 Migratory Bird Treaty Anniversary 5c
1966 Migratory Bird Treaty Anniversary 5c

This stamp commemorates the 50th anniversary of the Migratory Bird Treaty between the U.S. and Canada.

Though first enacted in 1916, this law is now known as the Migratory Bird Treaty Act of 1918.