Letterlocking: Learn how this opened letter reduces in size through a number of intentional folds to...

Letterlocking: Learn how this opened letter reduces in size through a number of intentional folds to...

Letterlocking refers to the technology of folding and securing a substrate such as papyrus, parchment, or paper to function as its own envelope. Letterlocking is part of a 10,000-year-old information security tradition found in cultures around the world. There are many different ways to fold letters into their compact and private sending devices. Visit letterlocking.org to learn more.

Brienne diamond letter.

Brienne diamond letter.

DB-1876. This letter transforms into this format. There are several letterlocking formats within the Brienne Collection. View some of the different letterlocking formats in the following slides. 

Letterlocking: Brienne Postal Archive: "I wish you 100,000 good nights,...", diamond-shaped,1694