TC25-188 BENCH PLANE. Harris Patent. 13-1/2" wooden sole inside metal frame that is marked "Harris, S.F., Cal" and at heel it says "Patent Applied For." Metal oxidized, wood has some wear and a few paint splotches. Left cheek only is dovetailed, strangely. The only example we've seen. From the collection of Harold Unruh. Good+ 150-300