Gloria Reederei GmbH — 1956–1957 documented flag/livery
image by Klaus-Michael Schneider, 29 March 2009
Esso and Flaggen & Schornsteine attribute the livery to Gloria Reederei GmbH. Mitchell shows the flag slightly fluttering on the funnel, with its pole upright. Schneider’s FOTW flag follows the 1956 Esso source under the Gloria name.
Other operator-source allocations do not prove exclusive Gloria use or corporate equivalence.