Crime at Sea.

Color illustration from "The PIRATE'S pocket book" ed. by Stuart Robertson, 2008.
ISBN: 9781844860777.
The numbers attracted my attention: 51 or 15 and 1004.

 

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The picture is of  "William Kidd, evocatively illustrated by Howard Ryle, burying his elusive and much debated treasure off New York. (Corbis).

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 11:30.