FWIW the IBM badge has:- * The 8-bar company logo * The country of issue * Name * Photo On the back is a magstripe (not really used any more) and central r

FWIW the IBM badge has:- * The 8-bar company logo * The country of issue * Name * Photo On the back is a magstripe (not really used any more) and central return address in case it is found. It has an RFID for door access and to store cash for vending-machines and the restaurant. No employee number anywhere. I have to remember that (along with the passwords for seventy-six different systems.) Contractors have a yellow background for the name. ID cards have to be on display at all times, so many wear them on a lanyard or clipped to a belt loop.