I've got a growing number of coins...
1. Secretary of Defense, Robert Gates
2. Chairman of the Joint Chiefs, ADM Mike Mullen, USN
3. U.S. Army, Chief of Staff, Gen. Peter Schoomaker, USA
4. U.S. European Command, Gen. Craddock, USA
5. Coast Guard Director of Governmental and Public Affairs, RADM Mary Landry, USCG
6. U.S. Northern Command, J-4, Brig. Gen. Michael Dana, USMC
Total...I have 19....but my favorite is my class coin we received just before we crossed the stage to receive our diplomas and commissions.