You betcha' you got a good deal there. Being Cincinnati, you're in the middle of one area of the country that was heavy into CL stunt around the 70s.

Look closely at the covering. See any seams or anywhere that looks like a Monokote overlap? No? That's because those planes were carefully finished by hand. Covered with silkspan (paper) or silk, spray painted and rubbed out. The lines look like one of the many originals that are probably best represented by Les McDonald's Stiletto and Bob Hunt's Genesis. The one you have isn't either of those however.