Airmail cover franked with 1930 10c orange yellow, pair 25c bright violet and 1b 20c blue green AIR issue (SG 396, 398 & 402) tied by CARACAS cds's dated 5 MAY 1930. Flown on the 6th May CARACAS - CRISTOBAL, CANAL ZONE first flight with boxed first flight cachet on front and CRISTOBAL arrival cds dated MAY 7 1930 on reverse. (Muller #23)