M20 Serial 808?69-IS
Hans said “Top is Italian spruce and back is sugar maple. It’s a little shorter in length and wider than usual. (The original owner) wanted an A that was loud and crisp with that big bottom end so we chose Italian to make it smooth and crisp and sugar maple to make it crisp and loud. The graduations are a bit different, and it has a 1-3/16” nut.