1931 (December), Walvis Bay Christmas Flight, registered postal
stationery cover of South Africa, overprinted S.W.A., uprated with
Air Post
1931 (December), Walvis Bay Christmas Flight, registered postal
stationery cover of South Africa, overprinted S.W.A., uprated with
Air Post single 4d and 3d pair, all tied by AIR MAIL / LUGPOS /
WALVIS BAY cancellation, with double-circle c.d.s. at left (7 Dec)
tying BY AIR MAIL / PER LUGPOS label, endorsed in manuscript "XMas
Flight / via Kimberley / Cairo & Croydon", reverse with
Niederfischbach c.d.s. arrival backstamp, a couple scattered spots,
else very fine and attractive.