Unlocking History number (UH#)

UH0039



Original

Paulus Constantinus Phrygio’s letter to Willibald Pirckheimer



Model and research notes

MIT Libraries, Unlocking History Research Group archive, MC0760, Box 26.



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

LUV039 https://youtu.be/7UXQFLMzJeA 



Instructional video info transcription

Forthcoming



Letterlocking Category number (LC #)

 LC15L         



Letterlocking Format number (LF #)

4RW 



Security score

Low



Assessment of Confidence in assigning LC#

Attested



Substrate

Paper



Dimensions

Opened (in mm):      H: 130mm x W: 225mm        

Letterpacket (in mm):     H: 48mm x W:   84mm



Manifestation

Opened



Distinctive letterlocking style(s)

Forthcoming



Locking mechanism

Lock



Security enhancements

Authenticated covered seals

Text across lock and address panel        



Letterlocking category formula (shorthand)

LC15 

Fold + Slit/Hole + Adhere + Lock-O 

(F + S/H + A + LO)



Letterlocking manipulation sequence (shorthand)

Forthcoming



Locking instructions

Forthcoming



Images 

Forthcoming




Foldable(s)

Forthcoming



Step-by-steps 

Forthcoming



Substrate map

Forthcoming



Virtual unfolding results

NA



Manipulations

Writing: Margin folds

Postal: NA

Opening: Tears

Filing (Storage, Display): NA

Repair: NA



Damage

NA



Features

Dirt on panels/ in crease

Radiating wrinkles

Wrinkles

Possibly a letter to accompany presentation of the incunable volume to Pirckheimer.  



Article(s)

2023. Daniel Starza Smith & Jana Dambrogio. Letterlocking: securing correspondence before envelopes in Routledge Encyclopedia of the Renaissance World. Lauren Shohet, subject editor. 



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)

Original

Paulus Constantinus Phrygio to Willibald Pirckheimer (September 15, 1514). Gen *99M-6 Houghton Library, Harvard University.



Model

MIT Libraries, Unlocking History Research Group archive, MC0760, Box 26.



Video

Jana Dambrogio and the Unlocking History Research Group, “Paulus Constantinus Phrygio’s letter to Willibald Pirckheimer (1514),” Letterlocking Instructional Videos. Unlocking History number 0039/Letterlocking Unique Video number: 0039. Filmed: December 2015. Duration: 5:10. Video URL: https://youtu.be/7UXQFLMzJeA. Accessed: March 4, 2025.






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