Originally Marina Turquoise with black buckets...and I see a factory tach, reverb, Safe-T-Track...pretty nicely equipped. Supposed to be an original WA state car, too, and the body does look quite clean.
Not a bargain at $12,500 but you'd have something really nice with a good paint job.
Link to 1966 Factory 4-speed Grand Prix auction
266576R210047