It looks like a mid-2000s (2003/2004) T series Cannondale touring bike. They retailed for about $1300. Cannondale quit making their bikes in the U.S. in 2010. That was also the last year they made a "real" touring bike. Beautifully built bikes that will only be harder to find in the future. If the frame was in good condition, and it fit, I'd buy it at $150 just for the frame!

Look for dents in the frame. We have 2 Cannondale aluminum frame touring bikes in our family fleet, and they can be dented.