1938, Aerovias Nacionales, 1st issue, 5c, 10c, 15c/10c, 25c, 40c, 75c and $1, complete set of seven semi-official stamps, full original slightly dryish gum, NH, VF, 2,000 complete sets were printed, Sanabria #S1-7 (Image)

1941, Aerovias Nacionales, 2nd issue, 1c-10c, set of four miniature sheets of six triangle stamps, in addition air mail cover from San Juan to NYC franked by 1c-$1, complete set of eight and US 10c blue (No.C7), nice and fresh, sheets with full OG, NH, all are VF, Sanabria #S8-15 (Image)