Will,Just out of curiousity how do you know the year of the blade? Is it by the serial #? I never really looked into that.Are they numbered like the tractors?I'll have to look at mine.
I don't think they have a serial #. The 1st one I pictured in my post has the 2 pc push tube, and came with an
early 1967 MF10. I guess that model of blade could have been used longer than I said.