This listing is for two IBM templates.
Flowcharting Template- GX20-8020-1
The symbols on this envelope and enclosed template conform to the International Organization of Standardization (ISO) International Standard 1028 - “Information Processing-Flowchart Symbols”, and American National Standard, Flowchart Symbols and their usage in Information Processing, ANSI X3.5-1970.
HIPO Template- GX20-1971-1
The symbols on this envelope and enclosed template are used in the preparation of HIPO diagrams.
Envelopes have wear such as discoloration, stains, bends, etc. Templates have minor wear as well. See photos for details.