Description
Decorative First Flight envelope ‘Indie – Nederland’ by DC3, franked with 7½c & 12½c Jamboree stamps (SG 380-81) cancelled Soerabaja, with imprinted cachet of the World Scout Jamboree, and handstampoed with the oval first flight cachet; to Rotterdam 15 June 1937; a colourful combination of aviation & scouting themes