OK, come on now. I know there is no paint, but there must be some guesses. The serial starts with: 45-11xxx Good Luck!
This one has gone unsolved long enogh. It is N151W, s/n45-11540 when owned by Joe Maybe and based in Texas. It is now painted in a 352nd FG scheme as 'Excalibur III' and owned by Jim reed, who bases it with his Indiana Aviation Museum collection at Valparaiso, Indiana.