A sturdy metal lock with a very rare key and a unique texture. Weighing over 1.5 kilograms is unusual. I've heard it's from the Edo period, but I'm not certain, so it's for serious collectors. Lock: Japanese lock, Inaba lock, inscribed, made by Seikyu, Inshu resident, with key, 6-leaf spring Size: Width 17.5 cm, Depth 7 cm, Height 11 cm, Total weight approximately 1500g Thank you for viewing. Type...Other Main material...Iron