I need a little help decoding my commission number, CTC71954 L. I understand the CTC is for IRS, the next numbers are the 'serial' number, and the L is for ? Paint code is 56, Royal Blue, Trim code is H 11, black leather and the 2660 is gross weight? This car will need a full restoration and I'm considering BRG as well as others for the color. Does a proper repaint in anything other than the original color hurt the value of the car? I'm also considering swapping the transmission for an OD unit...I remember how much fun it was on my last '67 to have a 7 speed! How would that affect the value?