Looks like Purple Heart top and back with maple core

https://reverb.com/item/66798107-vintage-1977-alembic-series-one-purpleheart-rare-collectors


No affiliation

Pretty.

Interesting wood too. A guitar like that would make a good dog break his leash. 


The earliest number I know about from 1977 is a bass; #77-595. This guitar is #77-603. Gotta' be mid/late-January... to put a timeline on it, #77-621 is February 8th.