CINCO de MAYO 3309a Plate Block of 4 x 33¢ US Postage Stamps

In 1999 the USPS issued the forth installment in the series of Holiday Celebration Stamps. This stamp is based on the 32 Cinco de Mayo design of 1998. It is part of the Holiday Celebrations series. Cinco de Mayo, a holiday commemorating Mexico's miraculous defeat of an invading French army on May 5, 1862, is a colorful celebration of Mexican history and heritage. It is a day when Mexican people, living in their homeland or the United States, express pride in their country's accomplishments