This product is a set of 4 vintage Oakland A's pins from various championship years, including 1974, 1989, 1999, and 1998. One of the pins represents the 1999 season ticket for the Oakland Athletics, making it a unique and collectible item for fans of the team. These pins are officially licensed, featuring player Ben Grieve and representing the MLB tournament. Made in China, these original pins are a must-have for any Oakland A's sports memorabilia collector looking to commemorate the team's historic achievements in baseball.