Jeans manufactured by Levi Strauss and Company include light and dark stonewashed denim and rigid selvedge. But the best known model, the 501 Original Jeans, require the owner to wash the jeans for a proper fit. Levi jeans entered the market in the 1870s, the brainchild of Levi Strauss and partner Jacob Davis. Proof of the exact date is unknown due to the loss of company records in the San Francisco earthquake and fire of 1906. While the 501 model continues in production, jean collectors look for vintage 501 pairs, identifiable through careful examination of pant details.
- Skill level:
- Moderately Easy
Things you need
- Levi jeans
- Magnifying glass, optional
Examine the jean fabric. New Levi 501 jeans use heavier denim, while other models, including the 200 series, use thinner denim. Examining the fabric alone does little to date a pair of 501 jeans; however, during times of cotton shortages, including during the 1970s, jeans made from denim used thinner weaves. The denim also thins on well-worn jeans as washing and wearing reduces the thickness.
Look at the back of the jeans. A leather patch sewn near the right-hand side of the waistband dates the trousers to before World War II. A painted paper label and a back red tab, rather than stitched label, dates your trousers to the World War II era when paint saved valuable thread for the war effort. The heavy-paper label introduced in the late 1950s continues in use today. Trousers without back belt loops date your pair to production prior to 1922. A back cinch, metal buckle device used to tighten the waist dates the jeans to pre-1947 production. If your trousers have only one rear pocket, your pair dates to manufacture before 1901. Rivets made the Levi jeans a sturdy work clothes option, but in 1966 the rivets disappeared from the back pockets, and a bar tack stitch appeared in place of the round metal studs.
Examine the Levi tab, the red cloth identification tag sewn into the back pocket seam. The tab appeared first in 1936. "LEVI" stitched on both sides of the tab marks trousers from the early 1950s. In 1971, a copyright symbol was added to the tab.
Turn the trousers inside out and examine the fabric. If your trousers feature felled inseams, which are seams without raw edges, date your trousers to the 1910s. Trousers with metal rivets on the inside but with pockets sewn over the rivets on the exterior, date your jeans to post-1937 production. The presence of a red-coloured selvedge on the inside of the denim fabric edges dates the trousers to the late 1920s.
Check the fly opening. A zippered front closure means your trousers date to 1954 or after, although for purists a zippered 501 is a 501Z model.
Tips and warnings
- Levi Strauss and Company introduced the "Capital E" jeans model in 1992 to capitalise on the 501 vintage collector market. The Capital E produced the 501 vintage design, but with one major difference. The Levi special model recreates years of wear, but identify the new model by the handwritten serial number in the pant waistband.
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