Air Mail cover 1927 (Feb.) selection of envelopes (4) comprising (12.3) third flight Kisumu to Khartoum which crashed on take-off showing "Owing temporary failure/Air Service Mail/forwarded normal route." cachet in violet, and three (15.2) envelopes bearing Kenya and Uganda adhesives with "KENYA-SUDAN/1ST/AIR MAIL" or "AIR MAIL/1ST/UGANDA-SUDAN" c.d.s. in red carried on various stages