Hira-ganna Japanese Smoothing Plane by Sakata Haruo - 65mm
Brand name: Masakane (正兼)
Smith name: Sakata Haruo/坂田春雄(1912～ ？). Another famous plane blacksmith in the Miki area named Sakata Kenji/坂田憲治(? ～December 29, 2007) was his son.
Steel: Special steel
Jigane(Iron part of the blade): Wrought iron(Kamaji)
Blade Width: 65mm
Blade length: 118mm
Blade thickness: The blade near the bevel(about 6.15mm)，Top of Blade（about 9.60mm）
Blade Weight: 373g
Blade Angles: 26°
Chip Breaker Width: 60mm
Dai manufacture: Unknown
Dai size(length, width, thickness): 276mm 81mm 35mm
Total weight: 1076g
Manufacture Era: Before 1960
Accessories: -
Additional Information: This plane is lightly used and comes from the same retired miyadaiku (temple carpenter) in the Kansai region as the other Sakata plane. The blade is an early work by blacksmith Haruo Sakata. It is stamped with the wholesaler’s brand name "Masakane" (正兼), along with a square stamp reading "Maeda Tsunao" (前田綱雄).
Based on the blade’s craftsmanship, style, and available reference data, I confirmed this to be the work of Sakata Haruo. A tategu-ya in Hyogo Prefecture also documented a Sakata blade that bore the stamps "Tokyo Masakane" (东京正兼), "Maeda Tsunao" (前田綱雄), and "Sakata Haruo" (坂田春雄), although the photos from that source are unfortunately no longer accessible.
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