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.