Canal Zone 1924 Mt. Hope 1c green (#67, F-VF tiny scuffs at bottom) tied by Ancon, 6-13-1924, machine cancel on multicolored picture postcard depicting, "Pacific Terminal Building, Balboa, C. Z." to U.S. Scarce use of this stamp, less then 2 dozen covers or cards are recorded. Grossly undervalued in Scott.