A Frankenstein of service guild collections. Binder is 72 but includes service guilds from 70-71-76-77 ... plus a super-tuning and blueprinting guide from 1970. Only complete year is 71. See attached index for what months are included. Binder is in fair condition with a split on one end. Smells like it was in a time capsule at the bottom of the ocean (not really that bad). Only a few technical bulletins included. $100.