Most were printed on one side of a piece of glossy card stock measuring 4 x 6 1/2 inches.
They had full color illustrations – often overprinted with 3 to 7 colors.
Most emphasized the ship’s namesake with stylized text of the ship’s name.
The imagery was often nautical, mythical, romantic, or patriotic.
Most show action scenes, but some offer pastoral images.
Few have California scenes, but those who do often depict gold mining.
Some have little or no illustration, but feature extravagant lettering.