Unlocking History number (UH#)
UH0051
Original
Hate Mail?: A Diamond-shaped letter in the Brienne Postal Archive, Europe (1690–1711)
Model and research notes
MIT Libraries, Unlocking History Research Group archive, MC0760, Box 21–24.
Letterlocking Unique Video number(s) (LUV #s) & Instructional video(s) URL
LUV051 https://youtu.be/_9wP8TcuYhU
Instructional video info transcription
Forthcoming
Letterlocking Category number (LC #)
LC06L
Letterlocking Format number (LF #)
4SD
Security score
Low
Assessment of Confidence in assigning LC#
Attested
Substrate
Paper
Dimensions
Forthcoming
Opened (in mm): H: 312mm x W: 227mm
Letterpacket (in mm): H: 80mm x W: 81mm
Manifestation
Opened
Distinctive letterlocking style(s)
Brienne diamond
Tuck-and-seal
Locking mechanism
Tuck
Security enhancements
Authenticated exposed seal
Letterlocking category formula (shorthand)
LC6
Fold + Tuck + Adhere
(F + T + A)
Letterlocking manipulation sequence (shorthand)
F + F + F + F + F + F + F + F + F + T + A
Locking instructions
Short-edge to short-edge fold, tandem edge fold, flip horizontal, (double) corner fold, corner fold, catch fold, flip horizontal, fold, fold, diagonal fold, tuck, diagonal fold, tuck, adhere.
Images
Harvard Dataverse
View: NL-HaMuscom_00046_DB-0833_01.tif
View: NL-HaMuscom_00046_DB-0833_02.tif
Download: https://dataverse.harvard.edu/api/access/datafile/4180250
Download: https://dataverse.harvard.edu/api/access/datafile/4180264
Foldable(s)
Forthcoming
Step-by-steps
Forthcoming
Substrate map
Forthcoming
Virtual unfolding results
Forthcoming
Manipulations
Forthcoming
Writing: Margin folds
Postal: Postage marks
Opening: Tears
Filing (Storage, Display): NA
Repair: NA
Damage
Tears
Features
Dirt on panels/ in crease
Radiating wrinkles
Wrinkles
Article(s)
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)
UH0051
Original
Unknown to Monsieur Suijthoff, France (ca. 1689–1706). Brienne Collection, Sound & Vision The Hague, DB-0833.
Model
MIT Libraries, Unlocking History Research Group archive, MC0760, Box 21–24.
Video
LUV051
Jana Dambrogio, Signed, Sealed, and Undelivered team, and the Unlocking History Research, “Hate Mail?: A diamond-shaped letter.” Letterlocking Instructional Videos. Unlocking History number 0051/Letterlocking Unique Video number: 0051. Filmed: December 2015. Duration: 2:55. Posted: April 2016. URL: https://youtu.be/_9wP8TcuYhU. Accessed: March 4, 2025.