Illustrated historical reference · Case & bottom stamp
1958 · Slim · Plant not specified — Case & bottom stamp reference (1958)
1958 · Slim: The insert still uses the horizontal logo, with “Flints and Fluid” added above the patent-number text. Moonlight also notes that Slim production begins in Niagara Falls, Ontario; those Canadian Slims are identified by the insert.
- Known period
- 1958
- Case type
- slim
- Dating evidence
- Supporting comparison — A useful illustrated or photographed comparison. The feature alone does not establish a unique production date.
- Reference verification
- Historical illustration or documented comparison; not an independently authenticated specimen photograph.
Reference images
Dating evidence and reference verification
Sources: Moonlight Zippo — Historical bottom-stamp variants, Slim dating chronology, and Canadian bottom/insert period references
Supporting comparison: A useful illustrated or photographed comparison. The feature alone does not establish a unique production date.
Reference verification: Historical illustration or documented comparison; not an independently authenticated specimen photograph.
Dating caution. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.