Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - United States - Puerto Rico - 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