1869 SS Adriatic 12c Green
This pictorial shows the SS Adriatic. I do not own this stamp yet. It is here courtesy of the Wikimedia Commons.
Ships
1893 Columbian Exposition: Santa Maria 3c Green
This stamp commemorates Columbus by showing a likeness of his flagship, the Santa Maria. Note: I do not own this stamp yet. It is here courtesy of the Wikimedia Commons.
Steamship 10c Carmine Rose
This parcel post stamp shows a steamship and mail tender, presumably hauling parcels.
1893 Columbian Exposition: Fleet of Columbus 4c Ultramarine
This stamp commemorates Columbus by showing his fleet – the Nina, the Pinta, and the Santa Maria. It is part of the Columbian Exposition set.