100% 

👏👌 Hope they manage to find the idiot and he gets banned for this. It's totally irresponsible. Trouble waiting to happen which might cause problems for their fellow supporters.

Already done.  This isn't some supporter with a close friend, or family member, who's a Celtic supporter, (still not acceptable IMO) this is some St Mirren supporter selling to any fcuking nutter who comes up with the money.