I agree. I think it’s the UC-78/T-50. Not that I am any kind of expert.
Looks like UC78 it is, based on this FAA major repair authorization allowing them to put different brakes on it. (isn’t it amazing what can be found on the net?)
http://docs.google.com/gview?a=v&q=cache:XiWRRjD-uLsJ:www.cessnat50.org/media/manuals_and_newsletters/Brake%2520337%2520NC30F.pdf+Robert+Penny,+Versailles,+Missouri&hl=en&gl=us