Stik, great progress there.
Many people do shoot down the theory of solid olive/green Tiger scheme, but there are a number of eyewitness accounts, from both allied and German, that say otherwise. No one is exactly sure where the paint source is from.
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After much deliberation, I've decided to go with the duo-tone tropical scheme. In the picture below, there appears to be some semblance of this near the Heidi logo on the bow plate. It looks, to what I can best describe, as a jigsaw puzzle shape. The photo itself though might have been taken in Italy while awaiting the ferry.
The original photo is from the TIIF site, I've added the red bordered inset photo with higher contrast.
regards,
Jack