PTT Museum - Bern
name: label: Collection Creator
content: Held, John, 1947-
setName: label: See more items in
content: John Held papers relating to mail art
label: See more items in
content: John Held papers relating to mail art / Series 3: Letters / Switzerland
unitdate: label: Date
content: 1992-1993
container: label: Container
content: Box 3, Folder 80
dataSource: label: Archival Repository
content: Archives of American Art
objectType: label: Type
content: Archival materials