(10) Grande Ballroom Postcards and Flyers, Russ Gibb presents in Detroit, 1) Frut of the Loom, Tiers, Feb 23, SRC, Born Blues, Feb 24, 1968, reverse is blank 2) Frost, All The Lonely People, 3rd Power, Aug. 6-7, 1969, reverse is blank; 3)Paupers, Rain, Hawk, Thyme, Aug, 2-4, 1968; 4) Procol Harum, Wilson Mower, Carousel, Oct 25-26, 1968, reverse has postcard return address graphic; 5) Ten Years After, Rationals, Oct 4-6, 1968; 6) Spirit, Fever Tree July 19-21, 1968, reverse haspostcard return address graphic; 7) Youngbloods, Rationals, James Gang, March 15-16, 1968; 8) Country Joe & The Fish, Muff, Pack, MC5, Thyme, Aug 15-17, 1968, reverse has postcard return address graphic; 9) Canned Heat, Rationals, Jagged Edge, Children, Aug 9-11, 1968; 10) Canned Heat, Hamilton Face, Teegarden & Van Winkle, Dec 6-7, 1968, reverse has postcard return address graphic;