Sharpe's marker and make a line across the bottom of the case in the color of your choice. Most of the guys I shoot with that are shooting 38 super mark there brass for easier recognition
NRA Life Member, NRA Range Safety Officer, NRA Certified Pistol Instructor,, USPSA NROI Range Officer,
ICORE Range Officer, ICORE Match Director ,MAG 40 Graduate
As you are, I once was, As I am, You will be.