Photographed collector reference · Case & bottom stamp
1961 · Regular · Bradford — Case & bottom stamp reference (1961)
Weak stamp, Left-most dot appears in the 1960-61 position, 2 dots right implies 1961. Faint markings cannot support a more precise year attribution. Mark count or dating remains uncertain where the impression is weak.
- Known period
- 1961
- Plant
- Bradford / United States
- Case type
- regular
- Dating evidence
- Collector-reported reference — A collector or source has documented this example or attribution. The exact year, manufacturing history or classification may not have been independently verified.
- Reference verification
- Photographed specimen; date or classification attributed to the source, not factory-certified.
- Year attribution
- collector-attributed
Reference images · real photographed examples
Weak stamp, Left-most dot appears in the 1960-61 position, 2 dots right implies 1961. Faint markings cannot support a more precise year attribution. Mark count or dating remains uncertain where the impression is weak.
Consolidated reference
This archival entry remains available under its original URL. The consolidated display groups examples of the same dated model type and production plant without removing this source record.
View the unified 1961 · Regular · Bradford reference and photo gallery
Dating evidence and reference verification
Sources: J. Kim
Collector-reported reference: A collector or source has documented this example or attribution. The exact year, manufacturing history or classification may not have been independently verified.
Reference verification: Photographed specimen; date or classification attributed to the source, not factory-certified.
Photographic copyright: J. Kim
Dating caution. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.