Never seen one like this before. Gil Southworth says it's original. Some flame on the board, I'm guessing a custom order. In general maple board J's started to appear in 1968, and had black block inlays and binding.
https://www.facebook.com/photo/?fbid=5632043530185723&set=gm.2259303424230647
(https://scontent.ftlv23-1.fna.fbcdn.net/v/t39.30808-6/315601175_5632043526852390_7312559633864871971_n.jpg?_nc_cat=107&ccb=1-7&_nc_sid=5cd70e&_nc_ohc=eJi557s6uOEAX8O7btO&_nc_ht=scontent.ftlv23-1.fna&oh=00_AfB7mWIZVaZZwoE46FzgKQ0zCYSQeBXpzBDmsWFKFRUlMA&oe=637844C0)
That's right purdy. Nice look.