ACS = acoustic slim body
SA = Synth Access via a 13 pin MIDI output , in addition to the standard output jack.
The neck on this guitar is definitely more like an electric guitar than a classical.
The top of the guitar is finished in a gloss black with faint speckles , the back is straight black.
What you see in the close up photos is snow on the deck.
Excellent condition , supplied with a Godin gig bag.