hi i opened up my ecu today to see if if had been chipped and i found that it has a piece of paper on top of the chip saying sue collins injectors std with mk2 underneath(see pic)

MY ECU




i then opened up an ecu i got from a friend, now my ecu was in a red blue black coded case while his one was in a hearts and diamonds case. when i opended up his ecu it was a different chip in with a sticker on top saying blue/red/black rs turbo. can anyone help with what chips these are and should the one i got from my mate be in a blue/red/black case? pics below

MATES ECU