Estimate: 100 – 150 GBP
Auction date: Fri 18 Jun 2021 at 15:00:00 (Europe/Zurich)
Auction: 2021 Spring Auction Series
Catalog: British Empire

1931 (Mar 9) Imperial Airways first flight service Mwanza-London, cover with 10m airmail vert. strip of three tied by Sudan Air Mail / Malakal cds with “FIRST FLIGHT / MALAKAL TO LONDON” cachet below, sent to Ulster, minor peripheral faults and soiling.