Used factory emblem.  This emblem is chipped at the front of the "Z".  This is a factory Z28 plastic emblem, that would normally go on the fender or the rear finish panel.  These are double sided taped to the fender from factory, you will need to remove/use new double sided tape.  Emblem size is approx 7 1/8 x 1 1/4". Fits the following:

93-02 Camaro (all models)

The item in the photo is the exact item being sold.