Vintage Apple Computer Employee Button.  Reads "San Francisco", "Applefest", "Sept 16-18 1988".  Dates to 1988.  Authentic, from a former Apple Employee.  Measures approx. 2-1/4" in diameter.  This item is used and is in good condition with light signs of use. Please see photo for more details.  Will be shipped in a box.  See my other listings for similar items, I'm happy to combine on shipping for items purchased at the same time.