You are bidding on a JOHNSTON HARVESTOR CO. NO. 630 14 1/2 inch box end wrench. There is a history on thei wrench. It 1910 the company was bought out by MASSEY HARRIS. The other company was started in 1828.  It has some hammer marks and has a slight bend, The open end is 1 7/8 inch . This is a very old tool that would be great to collect. As with a wrench this age there is rust and wear on it.

This is as the tool id found in THE HISTORY OF OLD TIME FARM WRENCHES BY P T RATHBONE.