This Stanley No. 7c plane is a type 11 made between 1910 and 1918. The trademark was used from 1912 to 1918 so that is the manufacture date range. It has a corrugated sole and at 2 3/8", it has a wider iron than a typical bench plane. it is 22" long and weights in at a hefty 8 lb 2 oz. This is a Jointer intended to flatten long boards.