From top to bottom:
M/49 Marinepistole - The first German navy pistol, 1,000 purchased for the First Fleet, the Reichsflotte created in 1848.
Marinerevolver a/m (Colt 1851 Navy, no official Model designation) - 3,000 confiscated from Colt in 1855, 1,000 issued to the Prussian Navy in 1858...