Vintage Japanese Bronze Vase NKK Commemorative 1957 Showa 32 Patina BV780

This is a vintage Japanese bronze vase, dated July 1957 (Showa 32). The cast inscription on the base indicates it was produced as a commemorative item for Nippon Kokan K.K. (NKK), a major Japanese steel company.

The vase features a two-piece construction with a removable upper section. It has a heavy, geometric form with circular protrusions on the sides and is covered in a strongly oxidized green patina. The bottom is stamped with the company name, the NKK logo, and the date "July, Showa 32."

Height: 22.0 cm / 8.66 in
Width: 15.0 cm / 5.90 in
Depth: 15.0 cm / 5.90 in
Weight: 1427 g / 3.14 lbs

The vase shows significant signs of aging and historical use. There are prominent surface scratches, scuffs, uneven oxidation, and noticeable green rust (verdigris) on both the exterior and interior surfaces. 

Please check the photos carefully for details.