91-716 Oregon Blade Compatible w/Allis Chalmers 13″ *see condition in desc*

91-716 Oregon Blade Compatible with Allis Chalmers 13" 2087731.  This has been in inventory for a while.  There is light rust and paint chips/scratches on the blade.  Length 13", Center hole 1-3/8", outer hole 25/64, center to center 3-1/16", width 2.5", thickness .164.