India 1927 KARACHI to LAHORE route ISC # 27-15, KGV 1a, tied by “AIR MAILS INDIA/BY Light Aeroplane/WITH MESSRS STACK & LEETE” boxed cachet in violet, “KARACHI” cds on face, reverse shows “ROYAL AIRFORCE DISPLAY 1926/LAHORE/DELY 17.2.27″ along with biplane design
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Type: Cover