Possible Clues:

• Dickensian receiving one paper with source of free fuel
• Floating trunks or branches
• Deal going down the Swanee?
• Timber washed ashore
• Import teak, maybe, carried by sea
• Dead perch (if 2's involved) might be washed up
• Timber, etc, on the sea
• Doctor provided a couple with excessive drugs in box, perhaps left by water
• Timber washed up by sea
• Import teak, say, brought in by sea