![PANAMA - 1930 - FIRST FLIGHT: Cover franked with 2 x 1930 5c on 10c orange AIR issue (SG 238) tied by PANAMA cds dated MAR 10 1930. Flown on the PANAMA - COSTA RICA first flight with boxed 'AGENCIA POSTAL DE PANAMA PRIMER VUELO PANAMA - COSTA RICA' first flight cachet in pink. Addressed to COSTA RICA with arrival cds dated 11 MAR 1930 on front. (Muller #38) (PAN/38334)](http://latinamericanphilatelics.com/cdn/shop/products/PAN38334_b0bdd190-fa28-4661-ab14-97f039827f09_{width}x.jpg?v=1650746976)
Cover franked with 2 x 1930 5c on 10c orange AIR issue (SG 238) tied by PANAMA cds dated MAR 10 1930. Flown on the PANAMA - COSTA RICA first flight with boxed 'AGENCIA POSTAL DE PANAMA PRIMER VUELO PANAMA - COSTA RICA' first flight cachet in pink. Addressed to COSTA RICA with arrival cds dated 11 MAR 1930 on front. (Muller #38)