Skip to content
In Quiet DetailA visual study of simple, well-made objects.

Photographed collector reference · Case & bottom stamp

1991 · Regular · Bradford — Case & bottom stamp reference (1991)

Known period
1991
Plant
Bradford / United States
Case type
regular
Dating evidence
Supporting comparison — A useful illustrated or photographed comparison. The feature alone does not establish a unique production date.
Reference verification
Photographed specimen; visual features documented, precise production date and authenticity not automatically verified.
Real photo

Reference images · real photographed examples

1991 · Regular · Bradford — Bottom stamp · January 1991 · A VII · Example 1
Bottom stamp · January 1991 · A VII · Example 1Real photographed example · Source: J. Kim · Photo © J. Kim
1991 · Regular · Bradford — Bottom stamp · February 1991 · B VII · Example 1
Bottom stamp · February 1991 · B VII · Example 1Real photographed example · Source: J. Kim · Photo © J. Kim
1991 · Regular · Bradford — Bottom stamp · February 1991 · B VII · Example 2
Bottom stamp · February 1991 · B VII · Example 2Real photographed example · Source: J. Kim · Photo © J. Kim
1991 · Regular · Bradford — Bottom stamp · April 1991 · D VII · Example 1
Bottom stamp · April 1991 · D VII · Example 1Real photographed example · Source: J. Kim · Photo © J. Kim
1991 · Regular · Bradford — Bottom stamp · April 1991 · D VII · Example 2
Bottom stamp · April 1991 · D VII · Example 2Real photographed example · Source: J. Kim · Photo © J. Kim
1991 · Regular · Bradford — Bottom stamp · June 1991 · F VII · Example 1
Bottom stamp · June 1991 · F VII · Example 1Real photographed example · Source: J. Kim · Photo © J. Kim
1991 · Regular · Bradford — Bottom stamp · August 1991 · H VII · Example 1
Bottom stamp · August 1991 · H VII · Example 1Real photographed example · Source: J. Kim · Photo © J. Kim
1991 · Regular · Bradford — Bottom stamp · December 1991 · L VII · Example 1
Bottom stamp · December 1991 · L VII · Example 1Real photographed example · Source: J. Kim · Photo © J. Kim
1991 · Regular · Bradford — Historical illustration — 1991
Historical illustration — 1991Real photographed example · Source: In Quiet Detail

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.

Dating evidence and reference verification

Sources: In Quiet Detail — Primary photographic and collector reference archive; Glen's Zippo Page — Historical bottom-stamp, case/insert construction details, Canadian dating chronology, and transition research; Moonlight Zippo — Historical bottom-stamp variants, Slim dating chronology, and Canadian bottom/insert period references; J. Kim

Supporting comparison: A useful illustrated or photographed comparison. The feature alone does not establish a unique production date.

Reference verification: Photographed specimen; visual features documented, precise production date and authenticity not automatically verified.

Photographic copyright: Credited individually below each photograph

Dating caution. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.

Year lookup

View this result in the interactive Date Your Zippo tool