1980 Gibson SG Prototype Single Bound 1 Piece Maple Top Flame Maple One Piece Top This was the prototype for the livery that appeared on the production run of explorers in 1981 (see last picture) This is a serious SG collectors piece as it is the only one manufactured with this top and binding. I have replaced the pickups with Bare Knuckle Geoff Whitehorn Crawlers. they sound amazing. BB