Auction 321 - 332 Europe & Overseas Great Britain & British Commonwealth - Day 3

1933 (Dec 13): "Kuwait-Singapore" Imperial Airways First Flight cover with ½ a. green and 1933 Airmail 2 a. deep blue-green, 3 a. blue and scarce 4 a. olive-green, all tied to registered envelope by KUWAIT/REG circular datestamps (Dec 13) in black. Triangular cachet "First Flight / Imperial Airways" in green on front with Singapore arrival (Dec 19). Cover returned via Bombay (Dec 30) to Baghdad (Jan 14, 1934). Rare with just 25 covers carried on the full leg of the journey (Muller 4).