Illustrated historical reference · Case & bottom stamp
1951–67 · Canada · Patented 1950 variant B — Case & bottom stamp reference (1951–1967)
Glen documents a second Patented 1950 Canadian base-stamp form with a different 9 and different alignment of the final 0. The page notes that this second form may not have appeared until about 1952, but the exact introduction and overlap with variant A are still under research.
- Known period
- 1951–1967
- Plant
- Niagara Falls / Canada
- Evidence / certainty
- reported
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
Dating caution. This is a documented period reference, not proof of a precise manufacturing year. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.
Year lookup
- Zippo 1951: year reference
- Zippo 1952: year reference
- Zippo 1953: year reference
- Zippo 1954: year reference
- Zippo 1955: year reference
- Zippo 1956: year reference
- Zippo 1957: year reference
- Zippo 1958: year reference
- Zippo 1959: year reference
- Zippo 1960: year reference
- Zippo 1961: year reference
- Zippo 1962: year reference
- Zippo 1963: year reference
- Zippo 1964: year reference
- Zippo 1965: year reference
- Zippo 1966: year reference
- Zippo 1967: year reference