So I was given the blacksmith armour in random package that I can't put on my character because it requires offer unlock
-
Sounds like someone played on your system or you on theirs that had the shader so was dropped into your postmaster but now as the accounts are separate you can not use.
-
Without entering a redemption code which you got from pre ordering cod or buying a code from someone. So until then you won't be able to equip it. No doubt a bug.