1932 Newfoundland DO-X airmail (#C12).

#C12 $1 blue surcharged tied by May 20 1932 St. John’s slogan to Newfoundland Trade Commissioner’s office, ms “via Air Mail DOX”, with purple oval bs “High Commissionery for Newfoundland Rec’d May 26 1932, returned via Customs Dept GPO St. John’s slogan bs (Jun 2). The rare return mail via DIPLOMATIC POUCH. Guaranteed on reverse in pencil “Geo C. Ginn guaranteed”. (NSSC #FF35b).