American Ships Mugs Set of 6The National Maritime Museum, Greenwich, England And Mottahedeh Commemorate Six Early U. S. Vessels: The Frigates Chesapeake And Constitution, The Clipper Ships Flying Cloud And Nightingale, The First Class Packet Ship Yorkshire Of New York And The Auxilliary Packet Ship Massachusetts. Each Ship Is Identified On The Back Of The Plates, Mugs And Oval Trays. Other Pieces Portray The Constitution.