Antique 5"x 5" Brass Box Lock- Complete Set - ca. early 20th century (1840-1940)

Antique brass box lock set with comfortable oval brass knobs, steel rosette, key escutcheon, steel keeper and key. Found in the UK. Great unit for marine use or a tropical residence with high humidity. 

The case is 5" x 5", and the bronze-coloured steel keeper is not original to the set.