Photographed collector reference · Case & bottom stamp
1967 · Regular · Bradford — Case & bottom stamp reference (1967)
Zippo · 1967: Original photograph supplied by Terry Lyons of a 1967 Bradford-made regular-size Zippo bottom stamp (4 left / 3 right vertical bars). Compare the entire stamp, including registered mark, patent wording and the position of each impressed mark; wear, reflections and shallow strikes can hide individual marks. The photographed case is a collector reference, not factory provenance. The patent wording is visible on this photographed early-style 1967 stamp; the patent-free 1967 variant remains a separate reference. 1967 · Regular · Bradford: First half or "Early" 1967 lighters are the last with the Patent. Latter half do not include the Patent number. 1967 · Regular · Bradford: No patent number is visible on this photographed stamp.
- Known period
- 1967
- 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
First half or "Early" 1967 lighters are the last with the Patent. Latter half do not include the Patent number.
No patent number is visible on this photographed stamp.
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.
- 1967 · Regular · Bradford — 1967 · B
- 1967 · Regular · Bradford — Zippo · 1967
- 1967 · Regular · Bradford — 1967 · Regular · Bradford
- 1967 · Regular · Bradford — 1967 · Regular · Bradford
- 1967 · Regular · Bradford — 1967 · Regular · Bradford
- 1967 · Regular · Bradford — 1967 · Regular · Bradford
- 1967 · Regular · Bradford — 1967 · Regular · Bradford
Dating evidence and reference verification
Sources: Glen's Zippo Page — Historical bottom-stamp, case/insert construction details, Canadian dating chronology, and transition research; In Quiet Detail — Primary photographic and collector reference archive; 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.