Type: Mark
Location: Blade, underside
Inscription: "B&K" stamped in a rectangle
Type: Mark
Location: Blade, underside
Inscription: Eagle stamped in a circle
Type: Mark
Location: Blade, underside
Inscription: Shuttlecock stamped in a rectangle
Type: Mark
Location: Blade, underside
Inscription: Harp stamped in a rectangle
Type: Inscription
Location: Blade, underside
Inscription: "71.72" incised