B64-508. LOT OF VERTICAL POST SMOOTHING PLANES. Union Nos. X3C and X4C. Two decent examples of the bench plane line based on Carleton & Trask?s 1904 patent and sold by Union Mfg. Both have corrugated soles, original marked cutters with some rust and pitting, and good metal. The X3 has finish worn off knob and initials carved into tote, the X4 has some chips from the tote edge. From the collection of Ray Schmidt. Condition: Good+, Estimate: 200-400