I will post a code book that I recieved from a co-worker. He used to be a Treasure hunter in the Philippines. This code was included in his day to day diary. I did not realize the amount of treasure the japanese  army hid on these islands. Hellva lot folks. The diary was written back in the 90's and came with pictures. Pretty primitive equipment was used to search for this japanese treasure. They relyed
on japanese markers that were left to relocate there treasure hoards. I will attach pics soon.