Canal Zone 108, 139, 5¢ & 10¢ on "...LAST DAY OF U.S. OPERATION" of the Panama Canal Event Cover, F-VF, unaddr, w/Rick Schwartz full front printed cachet, pmk is duplex cds "FORT DAVIS/SEP 28/1979/C.Z." Includes stuffer - very informative about Canal Zone history (Image)

$20