In 1983, California State University, Northridge (CSUN) celebrated its 25th anniversary. This pin commemorated that milestone. The pin reads: "CSUN - 1983 - 25 - Quarter Century" in the school's colors of red and black. The pin was placed in the University's time capsule as part of their 25th Anniversary celebrations in 1983. Lapel pin, .75 in. (diameter).