Money for Old Rope

Any offers?

This piqued my curiosity though.
Subtitled Mystery on the Mound...
How did it come to be there?
Signal for a secret tryst, a clue to where the body treasure's buried?

Was teaching late tonight and intended quick upload to Blip.
That turned into a bit of a saga....Upload took over an hour.

originally uploaded in colour but taken in night mode there was excessive noise - and the railings looked navy blue.
Decided to tweak it - at least the railings now look black