Nagadai-ganna Japanese Smoothing Plane by Mosaku - 65mm
Smith name: Kanda Kikuo (神田規久夫)
Steel: Based on my experience sharpening it, it might be like white or Swedish steel.
Jigane(Iron part of the blade): Wrought iron(Kamaji)
Blade Width: 65mm
Blade length: 110mm
Blade thickness: The blade near the bevel(about 6.30mm)，Top of Blade（about 8.70mm）
Blade Weight: 332g
Blade Angles: 27°
Chip Breaker Width: 56mm
Manufacture Era: 1990s (according to collector’s memory)
Dai manufacture: Unknown
Dai size(length, width, thickness): 410mm 90mm 35mm
Total weight: 1604g
Accessories: -
Additional Information: Used, but with low frequency of use. It was sourced from a retired Sukiya Daiku (master carpenter specializing in teahouse architecture) in the Tokyo area. I have performed a basic sharpening: both the bevel and the ura (flat back) are in good condition, honed up to approximately 5,000 grit. The jigane used for the blade is quite intriguing—please refer to the clear photos of the bevel to appreciate its unique texture.
The blade exhibits high precision and features a polished (migaki) finish, marking it as one of Mosaku-san’s earlier works. The dai (body) deserves special mention: crafted from premium Japanese White Oak, it remains virtually free of any warping or distortion despite being stored for over 20 years. Although the dai bears no maker's mark, the craftsmanship is undoubtedly on par with that of Koyoshiya.
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