Photographed collector reference · Case & bottom stamp
1976 · Regular · Bradford — Case & bottom stamp reference (1976)
1976 · Regular: Real photographed Bradford bottom stamp reference. Zippo · 1976: Original photograph supplied by Terry Lyons of a 1976 Bradford-made regular-size Zippo bottom stamp. The documented code pattern is 3 left / 3 right forward slashes. Reflections, wear and shallow impressions can hide the marks; compare the whole stamp. Photographs establish a documented collector example, not a factory certificate. A separately photographed In Quiet Detail reference is retained; this is an independent Terry Lyons example. 1976 · Regular · Bradford: Rounded corners are visible in the recessed bottom panel.
- Known period
- 1976
- Plant
- Bradford / United States
- Case type
- regular
- Dating evidence
- Supporting comparison — A useful illustrated or photographed comparison. The feature alone does not establish a unique production date.
- Reference verification
- Photographed specimen; visual features documented, precise production date and authenticity not automatically verified.
Reference images · real photographed examples
Rounded corners are visible in the recessed bottom panel.
Historical variants and original source records
Independent sources and distinct stamp layouts are preserved as individual photographs, not additional main cards. A pictured example alone cannot establish that every lighter from the year used the same construction.
- 1976 · Regular · Bradford — 1976 · Regular
- 1976 · Regular · Bradford — Zippo · 1976
- 1976 · Regular · Bradford — 1976 · Regular · Bradford
- 1976 · Regular · Bradford — 1976 · Regular · Bradford
Dating evidence and reference verification
Sources: In Quiet Detail — Primary photographic and collector reference archive; Glen's Zippo Page — Historical bottom-stamp, case/insert construction details, Canadian dating chronology, and transition research; Moonlight Zippo — Historical bottom-stamp variants, Slim dating chronology, and Canadian bottom/insert period references; Terry Lyons; J. Kim
Supporting comparison: A useful illustrated or photographed comparison. The feature alone does not establish a unique production date.
Reference verification: Photographed specimen; visual features documented, precise production date and authenticity not automatically verified.
Photographic copyright: Credited individually below each photograph
Dating caution. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.