The first bi-colored
stamp - the 15¢ Landing of Columbus was based on
Vanderlyn's painting, which hangs in the U.S. Capitol.
Two design types are known and can be distinguished by
looking at the brown frame line below the "T"
in POSTAGE.
#118 - Type I
Brown frame line is straight under the "T" in POSTAGE
#119 - Type II
Diamond-shaped ornament in brown frame line under "T" in POSTAGE