NEDERLANDSCHE KOLONIALE PETROLEUM MAATSACHAPPIJ N.V.
image by Eugene Ipavec, 21 October 2007
The Dutch Stanvac-related flag has a white field with blue KOLONIALE lettering enclosed by bulging red lines. Unlike the related design, these lines extend to the flag’s edges. The Kombuispraat flag plate identifying NKTM is described as pre-war, a dating Mertens considers credible.