An extremely rare antique W. Bells & Sons solid brass 4-lever USN Federal size 6 padlock with keys

This extremely rare antique W. Bells & Sons solid brass 4-lever USN (United States Navy) Federal size 6 padlock has the original 2x keys and is in stunning condition for its age. The lock measures 10cm long x 7cm wide x 1.5cm high and weighs a decent 285g. 

These locks were produced between 1920 and 1949 and in various derivatives from a 2 lever to a 6 lever lock and in various sizes from a small size 1 to the much larger and secure size 15 lock. 

The lock has all the relevant engravings confirming its heritage and is a beautiful example of the old antique solid brass locks. 

Please view the pics carefully to fully appreciate this amazing US Navy solid brass Federal lock and to confirm the condition. They are rare and one seldom comes across these locks.