Thanks for this fast and nice reply.
I'm sure he had an unforgettable voyage on the "grand old lady" because he often tells us stories about his time as "Mike McMondamin" on board of this ship.
If someone is interested in my reproduced picture of the Nieuw Amsterdam with the skyline of the late 1960th Manhattan, please let me know. I could send it as an email in compressed jpeg-format or in tiff-format (~136 MB), e.g. on cd. Size is round about 50x70 cm as tiff.
Perhaps there's another seaman with some space on his wall?!
C U, Merzi