View in complete FOTW edition

MAATSCHAPPIJ ZEETRANSPORT N.V.

Z9
Z10
Z11
Z12
Z13

The pre-war information is unclear. Jordan describes a black or yellow funnel with an orange band bearing a blue diamond, whereas its monochrome Prins Willem Van Oranje photograph appears to show Anthony Veder’s funnel. Talbot-Booth gives a separate treatment.

The house flag is orange with intertwined blue capitals OL and a white area inside the O, according to the FOTW description citing A.J.J. Mulder.