B68-343 RABBET PLANE. S.C. Tatum & Co. Patented by George Hilles on 6/30/84 and sold by Samuel Tatum of Cincinnati. A handful of these are known, with different configurations. This one is identical to the one shown in Figure 173 of PTAMPIA I but without the patent date and the depth stop locking screw is on the opposite side than the example pictured. Japanning 60%, unmarked cutter. From the collection of Harold Unruh. Good+ 250-500