Genno Japanese Hand Made Hammer by Hiroki - 150 Monme Types of wooden handles：Japanese White

Types of wooden handles：Japanese White Oak（Shirakashi）

https://youtube

Based on my experience

This mark belongs to nagaoka wholesaler in Sanjo Niigata Prefecture

Blade mark: 則久/Norihisa

Genno Japanese Hand Made Hammer by Hiroki - 150 Monme Types of wooden handles：Japanese WhiteSmith name: Hiroki Aida Shape: Round Type: All steel Weight: 588g Height: 105mm Head size: 34mm x 30mm Hammer eye size: 25. 3mm x 8. 4mm Vertical to horizontal ratio of the eye: about 3: 1 Accessories Additional Information: Unused, in good condition, made by the hammer blacksmith Hiroki Aida about 10 years ago with high production precision. Due to long term display in a shop window, the top side of the hammer has some minor surface rust from air