Unlocking History Concept uri
https://letterlocking.org/doll/concept/316
Preferred label
lock–same substrate, unattached
Alternative label
L-SU (acronym); band; lock-same, substrate unattached; tongue
Scope note
A lock cut off or sliced out from the writing substrate of the letter, and detached entirely before it is used to secure the packet shut. SU signifies “same substrate, unattached.” Also referred to as lock-SU.
Top concept
features
https://letterlocking.org/doll/concept/605
Broader/Parent concept
lock–same substrate
https://letterlocking.org/doll/concept/314
Related concept
lock–other substrate
https://letterlocking.org/doll/concept/313
The Arts & Architecture ThesaurusⓇ Online, The Getty Research Institute Concept uri
Not in AAT
The Language of Bindings Thesaurus (LoB) Concept uri
Not in LoB
Scope note source reference
Source
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.
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