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 enclosure. 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. The de Brienne Collection has examples that fall into four of the seven letterlocking format categories: II, IV, V, and VI; category IV having the most variety of "sub-formats" Visit JanaDambrogio.com to learn about all seven categories and more about this new field of study. Visit the YouTube letterlocking channel to watch instructional videos and stay tuned for videos showing how to fold, lock, and open each of these letterlocking formats and sub-formats found in De Brienne Collection. 

transform into this closed letter format. There are several letterlocking formats within the Brienne Collection.    View some of the different letterlocking formats in the following slides.

transform into this closed letter format. There are several letterlocking formats within the Brienne Collection. View some of the different letterlocking formats in the following slides.

DB-1876. Closed.

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