Micronesia 178 ah block

Micronesia 178 ah horizontal or vertical block, MNH, $6.75. Michel 302-309, Euros 9.50. Pioneers of Flight 1993. Hugh L. Dryden, Theodore von Karman, Otto Lilienthal, Thomas O.M. Sopwith, Lawrence B. Sperry, Alberto Santos-Dumont, Orville Wright, Wilbur Wright.