STANDARD FRUIT & STEAMSHIP CORPORATION.

The US and British companies used the same livery. Cefalu’s black-and-white photograph confirms a plain V on the funnel.

FOTW describes the flag as blue-white-blue with a red V, including serifed variants. Rosanoski disputes some source-to-illustration references: Lloyds belongs with V140 rather than S351; Talbot-Booth with S351, and National Geographic is described in the commentary as V140.