Illustrated historical reference · Case & bottom stamp
1967 · A — Case & bottom stamp reference (1967)
Compare the entire stamping or insert construction. Production features may overlap.
- Known period
- 1967
Reference images
Evidence, source and dating limits
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
Dating caution. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.