The website flag was illustrated by António Martins-Tuválkin from Mertens’s report. Its device is described as orangey on white, possibly interpretable as gold.
Mitsui Kinkai Kisen’s formation is dated 1945 by Lloyds, with absorption of Niigata Shosen Soho in 1966; the website appears instead to date an independent division to July 1943. Its translated later history is unclear.
Keep the explicit scope label independent; no alias or company identity is inferred.