CTC7 "Anderson" Cab Needs Help

Just got one of these in a trade (+ 700 mi) but the cabinet "needs help." The panels are wood-grained Masonite (or similar) and are a tad too rough for a touchup. I've seen some wood-graining techniques on the 'net, but none seem to offer an equivalent to the original appearance. Only recently, I've seen a couple of pickups with wood-grained tailgates & I'm wondering if the paint shops have some great new litho process for auto/truck body panels or what exactly is it? Barring some wonderful new application for wood-graining, should I just sand, fill and stabilize the panels then do a veneer job? Suggestions?
Thanks,
Michael