Kuwait Indian Period, 1941, Aug 9th, Reg Airmail cover to Bombay with manuscript KUWAIT PERSIAN GULF at lower left, franked on reverse with India 1939 3p slate Kuwait, 2 1a carmine and 3a yellow green, tied by rare EXPERIMENTAL PO / K-79 (Donaldson 10 KIC 18) with handstamped Reg Label (KIC 19) on front, red reseal OPENED BY CENSOR at side, extremely rare cover, See Donaldson page 127-129, desirable and fresh, similar sold at Grosvenor for £ 15,000, XF! Schätzpreis 18.000€. (Image)

Estimate € 18000