Iran: 1928 (12 February). Tehran – Baku first flight Junkers cover franked with 15ch Riza Shah Pahlavi portrait and 5kr Poste Aerienne overprinted coat of arms stamps tied by dispatch and same day arrival cds. as well as ‘Premier Courrier Aerien / Teheran – Bacou’ handcachet and bilingual Junkers / Luftverkehr Persien label.
