Seller: silverstone-sue (2,565) 98.9%, Location: Silverstone, Ships to: GB & many other countries, Item: 232157003341 I have for a sale a fantastic old lock and key. The cast iron side keep is marked AK & Sons which I believe dates it to the 1800's although I presume the lock itself could be older? The heavy key measures 5" and works perfectly within the lock. The lock itself appears to be a combination of cast iron and oak wooden frame with a decorative design. It measures 9" by 6" by 1 1/2" deep.