Photographed collector reference · Case & bottom stamp
1971 · Slim · Niagara Falls — Case & bottom stamp reference (1971)
- Known period
- 1971
- Plant
- Niagara Falls / Canada
- Case type
- slim
- Dating evidence
- Supporting comparison — A useful illustrated or photographed comparison. The feature alone does not establish a unique production date.
- Reference verification
- Photographed specimen; date or classification attributed to the source, not factory-certified.
- Source attribution note
- photographed specimen — source-attributed production year
- Year attribution
- source-attributed
Reference images · real photographed examples
Dating evidence and reference verification
Sources: In Quiet Detail — Primary photographic and collector reference archive
Supporting comparison: A useful illustrated or photographed comparison. The feature alone does not establish a unique production date.
Reference verification: Photographed specimen; date or classification attributed to the source, not factory-certified.
Source attribution: photographed specimen — source-attributed production year
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.