Lot 30778 – 1919 large insured letter sent Meched (Depart) to Teheran, carrying a 28-block of the 5 kran

1911-21 5 kran red and blue in a block of 28 (largest known unit), strip of 6 and pair on a 1919 large insured letter sent Meched to Teheran, reverse with 10ch pair and 9ch, all cancelled Meched (Depart), in total 181kr 90ch, on back is red seal of Postes de Khorasan; a spectacular and unique letter with some creasing to cover and perforation faults.