ELBDEICH BEREEDERUNGSGESELLSCHAFT MBH & CO. K.G.

The website drawing has seven alternating dark-blue and red horizontal stripes with a large white sans-serif E across the central five. The arms appear to stop short of the outer stripes, but their precise ends are unclear. Elbmarsch’s funnel is documented in June 2007 and in a January 2014 close-up.

Candelaria del Mar, later Elbmarsch, is photographed flying this flag at the bow on 15 September 2007. The distant view provides actual-flag evidence.