Preferred label

Rectangle diamond format        

Alternative label

Quadrilateral – rectangle diamond format; 4RD        

Scope note

A letterpacket with four distinct edges, one or more of which may be longer than the others. When oriented so the address can be read, the packet is diamond-shaped.        

Parent concept

Letterlocking format       

uh-linked-data/concept/295        

Related concept

letterlocking category        

uh-linked-data/concept/225

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

Unlocking History Concept uri

uh-linked-data/concept/409