Photographed collector reference · Case & bottom stamp
1956–1968 · Regular · Plant not specified · Sterling Silver — Case & bottom stamp reference (1956–1968)
1956–1968 · Regular · Plant not specified · Sterling Silver: Early flat-bottom example with a script Zippo logo. The source associates the Z-letterform without a lower curl with approximately 1956–1968; the pictured specimen is personally engraved “Dec 25 1960”, which is not a factory manufacture code.
- Known period
- 1956–1968
- Plant
- unknown
- Case type
- Regular
- Case material
- Sterling 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.
- Year attribution
- source-attributed
Reference images · real photographed examples

Early flat-bottom example with a script Zippo logo. The source associates the Z-letterform without a lower curl with approximately 1956–1968; the pictured specimen is personally engraved “Dec 25 1960”, which is not a factory manufacture code.
Dating evidence and reference verification
Sources: J. Kim
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.
Photographic copyright: J. Kim
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 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
- Zippo 1968: year reference