Size: 39 X 39 X 20MM
No repairs or restoration has been done to this lock,
Only very few of these types of locks have survived. This type of lock may be the very first keyed type padlock ever made. Only about 150 have been found.
For more information on this type of lock see the wonderful book: Romano-Celtic Mask Puzzle Padlocks by Jerry Slocum and Dic Sonneveld.