If you can engrave from the back, cut a piece of colored aluminum and apply 2/way tape around the edges and mount. It looks great. If you have to do the front, engrave and use some rub and buff. That works well too.

Joe Smith
Dan Kain Trophies, Inc.
2207 N. Pershing Drive
Arlington, VA 22201
703.525.8100 (ph)
703.525.9155
sales@dankain.com