Photographed collector reference · Insert
Regular · 1972 — Insert reference (1972)
The case and insert belong to a documented 1972 Bradford example. The case bottom stamp is shown separately. Other insert variants may overlap.
- Known period
- 1972
- Plant
- Bradford / United States
- Case type
- regular
- Insert finish
- standard
- Evidence / certainty
- primary
- Year attribution
- documented
Reference images · real photographed examples
Evidence, source and dating limits
Sources: In Quiet Detail — Primary photographic and collector reference archive
Photographic copyright: In Quiet Detail
Dating caution. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.