yes. According to the query of zippo official website, there is an English letter on the left of zippo trademark, which can be any one from A to L to indicate the month, A stands for January, B stands for February, C stands for March, and so on until L. Zippo, named Zhibao in Chinese, is a metal lighter made by Zippo Company in the United States. Its characteristic is that Zippo's windproof technology can meet the demand of ignition at any time in any bad weather.