Los 8752
ESSAY: 1932, Charity issue "Airmen's Fund", 4 values (biplanes in formation in front of the sun, biplane in front of eagle with three stars, falcon above biplane and Icarus) as horizontal strip of four without value digits, in red with orange burelage, on ungummed chalky paper, the only known complete strip in this colour, a very attractive showpiece of Latvian and Aero-Philately!
