Beautiful Boat that is a 1966 Spico have one almost like it mine has a snorkel tach on hood and no hood cleat also had a flat seat panel over v drive and two small rear facing back seats but has that same fiberglass seat back and pleted upolstery. Twin gas tanks etc.  Mine came all the way to Michigan from California had a 409 Chevy with the Edelbrock exhaust out the back etc I built it to the gills with 12-1 slugs duall Afbs Isky Roller etc Now is going to blown Endurle Injected 427 Chevy with Nitrous.