Photographed collector reference · Case & bottom stamp
1947 · Regular · Bradford — Case & bottom stamp reference (1947)
Terry Lyons identifies a chrome-plated nickel-silver case and nickel-silver insert. IMPORTANT: The cam spring on this photographed 1947 insert was replaced with a modern spring, as documented by Terry Lyons. Do not use that spring to date an original 1947 insert. Period variations and late-1946 overlap are documented.
- Known period
- 1947
- Plant
- Bradford / United States
- Case type
- regular
- Case material
- nickel silver
- Case finish
- chrome plated
- Insert material
- nickel silver
- 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.
- Source attribution note
- Real photographed collector specimen; year attributed by Terry Lyons, not confirmed by a factory date code
- Year attribution
- attributed
Reference images · real photographed examples
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 1947 · Regular · Bradford reference and photo gallery
Dating evidence and reference verification
Sources: Terry Lyons
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.
Source attribution: Real photographed collector specimen; year attributed by Terry Lyons, not confirmed by a factory date code
Photographic copyright: Terry Lyons
Dating caution. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.