TOPIC: Please identify vintage 18' Sea Ray

I bought this classic last summer with no paperwork and I can't find a similar one online to identify the year and model. To me, it's really unique with it's engine bay doors (not shown) and the wrap around windshield. It has a small block Chevy and OMC outdrive. What year is it and what model?
Is it a scarce and / or desirable boat? I sure like it.

Late 60's but not a 1970. Post the engine model number & I can pinpoint the engine model year.

Unfortunately, the small block Chevy engine did not come with it I didn't think it dated to the 1960's- that's good news. I have a 400 SBC to put into it.

Close bet is this '69.
www.fiberglassics.com/library/index.php?title=File:Searayb69015.jpg

You could also try these guys.

clubsearay.com/index.php

Thanks folks!
Now I know at least what decade the boat is from. I will check with the Sea Ray experts...