United States. Three Commemorative Medals Archive but textbook cross by Ferdinand

but textbook cross by Ferdinand Wiedmann

As the engagement proceeded

the reverse with all three prongs fully preserved

marked "STERLING" and marked "SMI" on the reverse

United States. Three Commemorative Medals Archive but textbook cross by FerdinandLaunching of the U. S. S. Nautilus Commemorative Medal 1954 (in bronze, obverse illustrating the submarine U. S. S. Nautilus backed by the Rutherford model of the atom, inscribed ""U. S. S. NAUTILUS"" above and ""WORLD'S FIRST NUCLEAR POWERED VESSEL"" below, measuring 39. 3 mm in diameter, embedded within a 112 mm (w) x 83 mm (h) cardboard frame inscribed ""TO COMMEMORATE THE LAUNCHING OF THE U. S. S. NAUTILUS JANUARY 21, 1954"", the fold over cover