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This thresher has a more than passing resemblance to a Red River Special, and appears to have an Oliver logo on the wind stacker, but I can't make the lettering on the tube match up with any model I've found so far.  Does anyone recognize this thresher?  The folks at the McDonald County Historical Society are hoping someone can ID it for an exhibit they are putting together on the County's agricultural past.  Any help would be most welcome.