Unlocking History number (UH#)

UH0063



Original

WWII Russian Soldier Triangle Letter with Drawing 



Model and research notes

MIT Libraries, Unlocking History Research Group archive, MC0760, Box 25.



Letterlocking Unique Video number(s) (LUV #s) & Instructional video(s) URL

LUV063  https://youtu.be/nz1TMFyhqMs 



Instructional video info transcription

Forthcoming



Letterlocking Category number (LC #)

LC02Z       



Letterlocking Format number (LF #)

 3T 



Security score

Zero



Assessment of Confidence in assigning LC#

Attested



Substrate

Paper



Dimensions

Opened (in mm):       H: 238mm x W: 152mm       

Letterpacket (in mm):  H: 112 – 110mm x W: 152mm



Manifestation

Opened



Distinctive letterlocking style(s)

Russian triangle

Triangle format

Drawing-locking



Locking mechanism

Tuck



Security enhancements

NA     



Letterlocking category formula (shorthand)

LC2 

Fold + Tuck 

(F + T) 



Letterlocking manipulation sequence (shorthand)

Fold + fold + fold + fold +fold + tuck



Locking instructions

Forthcoming



Images 

Forthcoming



Foldable(s)

Forthcoming



Step-by-steps 

Forthcoming



Substrate map

Forthcoming



Virtual unfolding results

NA



Manipulations

Forthcoming

Writing: NA

Postal: Postage marks

Opening: Tears

Filing (Storage, Display): NA

Repair: NA



Damage

Tears

Mold



Features

Dirt on panels/ in crease



Other letters

Vasilev Koryachev to various recipients (1944) Russian Soldier Letters "triangle format" (8 total) – UH0063, (see also UH0339 to UH0345) (1944)



Article(s)

2014. Letterlocking: The Art & Security of Letter writing in Book Arts, Arts du Livre Canada, Vol.5 (2014): 2. 21–23. 



Book 

Jana Dambrogio and Daniel Starza Smith with the Unlocking History Research Group. Letterlocking: The Hidden History of the Letter. Cambridge and London: MIT Press, 2025.



Citation for the letter(s)

UH0063

Original 

Unidentified writer to Vasilev Koryachev (1944). MIT Libraries, Unlocking History Research Group archive, MC0760, Box 31.



Model

MIT Libraries, Unlocking History Research Group archive, MC0760, Box 25.



Video

LUV0063

Jana Dambrogio and the Unlocking History Research Group, “WWII Russian soldier triangle letter with drawing (1940s).” Letterlocking Instructional Videos. Unlocking History number 0063/Letterlocking Unique Video number: 0063. Date filmed: December 2015. Filmed: December 2015. Duration: 1:21. Posted: April 2016. https://youtu.be/nz1TMFyhqMs. Accessed March 4, 2025.






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