Two uncommon double postcards designed by Lee Conklin, each measuring 9.25 x 7 opened. The first advertises performances by Jefferson Airplane, Ballet Afro-Haiti, A. B. Skhy, Procol Harum, Santana, and Salloom Sinclair at the Fillmore West between October 24 and November 2, 1968; the second advertises performances by Grateful Dead, Pentangle, Sir Douglas Quintet, Spirit, Ten Years After, and Country Weather at the Fillmore West between February 27 and March 9, 1969. In overall fine condition, with central vertical folds and tack holes to corners.
