The numbers and letters on personalized Zippo lighters indicate the date the lighter was made. The letter on the customized lighters is representative of the month A=January, B=February, C=March, etc. and the two digit number indicates the year 01 stands for 2001, 02 stands for 2002, 03 stands for 2003, etc.

What do the numbers and letters mean on the bottom of a Zippo?

The current date code system uses a letter and two-digit number to identify the month and year of manufacture. Letters A thru L represent the month (A for January, B for February, etc.) The two digits correspond to the year it was made – 14 for 2014.

Are Zippo lighters actually windproof?

Zippo lighters, which have gained popularity as “windproof” lighters, are able to stay lit in harsh weather, due to the design of the windscreen and adequate rate of fuel delivery. A consequence of the windproofing is that it is hard to extinguish a Zippo by blowing out the flame.