Illustrated historical reference · Case & bottom stamp
1967 · Slim · Plant not specified — Case & bottom stamp reference (1967)
1967 · Slim · variant 1: From August 1967 the patent number is omitted. A canned bottom appears from late 1967, with two canned-bottom versions documented. 1967 · Slim · variant 2: From August 1967 the patent number is omitted. A canned bottom appears from late 1967, with two canned-bottom versions documented. 1967 · Slim · variant 3: From August 1967 the patent number is omitted. A canned bottom appears from late 1967, with two canned-bottom versions documented.
- Known period
- 1967
- 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



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 · Slim · Plant not specified — 1967 · Slim · variant 2
- 1967 · Slim · Plant not specified — 1967 · Slim · variant 3
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.