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Making the Grade: Learn how to grade the condition of a Zippo lighter. Free Grading Guide.

These grades show how worn a lighter is. They follow rules used for years to keep things clear when buying, selling, or talking about lighters. Grading helps with consistency in the buying, selling, and advertising of collectible lighters.

UNUSED GRADES

The term UNUSED refers to a piece which has never been used. It has never been filled with fluid, fired or struck, or used. The unused grades range from a perfect A+ to an unused but showing signs of wear B.

Unused lighters can be divided into four major categories:

A+

MIB (10) STILL SEALED.Mint in box. LIKE NEW. The highest grade available. Where appropriate, the lighter is still inside its OMP (Original Manufacturer's Packaging). The orange seal is intact. Such a piece on close inspection shows NO scratches, dents, or other evidence of handling or contact. It is literally like the day it was made.

Zippo w/ sticker seal



A

MINT (9).LIKE NEW. The lighter is like new and has the original orange seal still intact but is lacking its original packaging. Otherwise C10.

B+

UNUSED NEAR MINT (8). NOT SEALED. Has some distracting contact marks or blemishes in prime focal areas. Luster may be impaired.
mint unsealed

B

UNUSED VERY FINE (7). NEVER STRUCK. All original parts. Refers to a lighter which has a moderate number of scratches on its surface. A few minor edge nicks may be present, although they must not be of a serious nature. Surface may be spotted or lack some luster.


USED GRADES

Lighters that have been carried and lit are USED. They have been in circulation, meaning they have been handled, pocketed, and carried, sometimes for decades. As a result, they are worn to one degree or another. Collectors have established the following grades for rating just how used a lighter actually is:

C+

USED FVF (6) — FINE VERY FINE. The wick has been lit, and the lighter has been carried and used, but it remains in excellent overall condition. Minimal wear is visible on the surface, and the insert may show signs of fluid use but is otherwise in good condition. Specific details on wear and fluid use should be noted.
lightly use zippo

C

USED FINE (5) — FIRED. The lighter shows small traces of wear on the highest points, indicating regular use. The insert may have residue from fluid, and the wick may show signs of use. Specific information on the condition of the insert, fluid residue, and surface wear should be itemized.

C-

USED VERY GOOD (2) — NOTICEABLE WEAR. Wear is evident on nearly all high points, with at least half of the original mint luster still present. The insert likely shows clear signs of fluid use and wear, and the lighter may have minor dents or scratches across its surface.
used zippo from the movie diehard

D

USED GOOD (1.5) — HEAVILY WORN. This grade reflects heavy overall wear, with most design details worn down. The insert shows significant use, likely with fluid stains, a used wick, and overall signs of extensive handling. Luster is generally only seen in protected areas.

D-

USED FAIR (1) — FIRED AND WORN. The lighter is heavily worn, with the insert and case showing significant signs of use. It has been filled, fired, and carried extensively, resulting in a well-worn appearance. All original parts are present, but the condition reflects heavy use.
used ww2 zippo lighter

F

POOR (0.5) — JUNK. The worst possible grade, is where the lighter is rusty, incomplete, and may be missing parts. The insert is likely damaged, with severe wear or rust. Such lighters are typically used for parts rather than as collectibles.

How to Date A Zippo Lighter

Determining the manufacture date of a Zippo lighter is vital to determining its value. Each Zippo lighter carries distinct markings that reveal its manufacturing date. This guide will help you identify your Zippo’s age by deciphering the date codes, trademarks, and other telltale features that have changed over the years.

Zippo Regular Lighter Identification Codes Zippo Date Code

1. Understanding the Basics of Zippo Date Codes

From 1933 to the mid-1950s, the word ZIPPO was stamped on the bottom of the lighter in BLOCK letters. Starting in the 1950s, Zippo began to use date codes to track production, which allows collectors to determine the manufacturing period.

block letter zippo Block Letter Zippo Logo

2. Early Zippos (1933–1954): Pre-Date Code Era

Zippos from 1933 to 1954 always have the patent number 2032695 stamped on the bottom of the lighter, along with the old BLOCK LETTER ZIPPO stamp. Exact dating in this era is difficult as these Zippos lack date codes. The bottom stamps evolved slightly, with changes in font and positioning.

1942 to 1946: Only Black Crackle Zippos were produced from 1942 to 1946 due to World War II. These models have a patent number of 203695 on the bottom, marking them as wartime lighters.

3. Transition Period (1951–1957)

During this period, Zippos have a patent number of 2517191 stamped on the bottom. Between 1955 and 1957, the Zippo script logo began appearing alongside the BLOCK LETTER logo, creating an overlap. Exact dating is challenging during these years due to a gradual transition.

zippo logo transition Zippo Logo Transition from Block to Script

4. Date Codes (1958–1986)

Starting in 1958, Zippo implemented a precise system of date codes using symbols to represent specific years:

1958 - **** [logo] ****
1959 - **** [logo] ***
1960 - *** [logo] ***
1961 - *** [logo] **
1962 - ** [logo] **
1963 - ** [logo] *
1964 - * [logo] *
1965 - * [logo]
1966 - |||| [logo] ||||
1967 - |||| [logo] |||
1968 - ||| [logo] |||
1969 - ||| [logo] ||
1970 - || [logo] ||
1971 - || [logo] |
1972 - | [logo] |
1973 - | [logo]
1974 - //// [logo] ////
1975 - //// [logo] ///
1976 - /// [logo] ///
1977 - /// [logo] //
1978 - // [logo] //
1979 - / [logo] // OR // [logo] / (both exist)
1980 - / [logo] /
1981 - / [logo]
1982 - \\\\ [logo] \\\\
1983 - \\\\ [logo] \\\
1984 - \\\ [logo] \\\
1985 - \\\ [logo] \\
1986 - \\ [logo] \\

post 1978 zippo logo Post 1978 Zippo Logo

5. Modern Date Codes (1986–2000)

Beginning in 1986, Zippo implemented a coding system using Roman numerals to indicate the year of manufacture, alongside a letter for the month. The letter A to L represents the month (A = January, B = February, etc.). Roman numerals are used for the year as follows:

1986 - II
1987 - III
1988 - IV
1989 - V
1990 - VI
1991 - VII
1992 - VIII
1993 - IX
1994 - X
1995 - XI
1996 - XII
1997 - XIII
1998 - XIV
1999 - XV
2000 - XVI

6. Current Date Codes (2001–Present)

Since 2001, Zippo has used a two-digit number to represent the year of manufacture, along with the same month-coding letters. For example, a lighter with “01” was made in 2001. This system continues today.

2001 -- 01
2002 -- 02
2003 -- 03
2004 -- 04
2005 -- 05
2006 -- 06
2007 -- 07
2008 -- 08
2009 -- 09
2010 -- 10

Additional Clues and Unique Markings

Special editions, commemorative models, or unique design features can help further identify Zippo lighters:

Patent Numbers: Early models display patent numbers correlating to specific years. For example, “2032695” was used pre-1954, while “2517191” appeared post-1951.
Bottom Stamps for Special Editions: Anniversary models and event-specific Zippos often have unique stamps.

Care Tips for Collectible Zippos

To preserve your Zippo’s value, avoid polishing, store it properly, and limit fuel exposure for vintage models.

In Summary

Dating a Zippo lighter requires careful attention to detail and familiarity with changing codes. Using this guide, along with Zippo’s official resources, can help you accurately date and appreciate your collectible Zippo.

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