Panama 448-448C, C292-C294, MNH, $4.90. Michel 670-676, Euros 5.75. Meeting of Central American Presidents with President John F. Kennedy, 1963. Francisco J. Orlich, Costa Rica; Luis A. Samoza, Nicaragua; Dr. Ramon Villeda M. Honduras; Roberto F. Chiari, Panama; Julio A. Rivera, El Salvador; Miguel Ydigoras F. Guatemala. Flags.