Exploring Other Cache Types VI: Letterbox Hybrid

Letterboxing is another form of treasure hunting that uses clues and orienteering skills instead of GPS coordinates to find a hidden container that contains a notebook and a stamp, usually personalised. The hobby has been around since the mid 19th Century and originated in Devon, England. Letterboxers carry their own notebook with them and use the stamp found … More Exploring Other Cache Types VI: Letterbox Hybrid