B67-517 PATENTED CORE BOX PLANE. Wm. Bayley. Actually patented by John McCauley of Springfield, OH, in 1904 but manufactured by William Bayley and almost all known examples have Bayley's name cast into the fence. Very gizmoish with a worm gear activated cutter that rotates with each stroke. Japanning 95%, casting clear, gear is slightly loose but still works. From the collection of Harold Unruh. Good+ 100-200