Bühne says the illustrated emblem was used on the funnel, giving a table flag as an example, while the German company retained Waried’s flag and foreign Esso companies used the newer flag. He dates a black-to-blue funnel oval change to about 1966, conflicting with Brown 1958. His account appears also to date adoption of E444 to around 1966. Rosanoski could not locate the cited source image for E445.
Keep the explicit scope label independent; no alias or company identity is inferred.