Usually, the production date is stamped or written is on the heel of the neck.
To read this it is necessary to unscrew the neck from the body.
Although it is not be traced back directly to the serial numbers.
Whether it is an original model or a vintage (also the old logos are used again) depends on your own estimation of the age of the guitar. The original logo, also called "spaghetti logo", the transition logo and the CBS era logo.