Thomas, so you were on board between myself and Rob... you didn't happen to look through the charts in the chest? If you did, and the envelope for Rob was not there, we could time its disappearance a bit better
...
And yes, Michael, what were the 8 ports?
Let me try a guess : Southampton, Liverpool, New York, Halifax, Quebec, Cobh, Cherbourg, Lisbon.
I am thinking along the lines of the historic ports. If I thought of the modern ports, the list would be different.