According to some it was buried on Oak Island, so that may make it unique.
However in other theories Willie did tell some people that he got a map from some priest's or nunn's from mexico, but that is only one of many stories he told,
most believe that he shot a young boy in the back and took his treasure map.
I have also foound a Willie Doughthit forum where it is written according to the Gold House Books John Gordon was one of the guerrilla gang.