According to one article the referee accepted the charge, which I assumed would have been the case as there hasn't really been enough time for a hearing. Every L3 and above knows that if they accept a charge like this, or are found guilty of it, you are highly likely to get 21 days.
He also appears to be laughing it off, as per this article.
https://www.dailymail.co.uk/sport/f...ck-paper-scissors-ban-hes-presented-coin.html
Also, to clarify (yet again) he wasn't suspended for not having a coin, so the argument that a coin is not a required piece of equipment is barking up the wrong tree. Law does however say that a coin is tossed to decide who chooses which end. Assuming neither assistant had a coin, had he gone to his 4th official to get one, or even to someone in the technical areas or a member of the TV Floor Crew, that would have taken just a few seconds and he wouldn't have got himself into this mess. Referees often jog over before kick off to hand the coin to the 4th official, and it wouldn't have taken any longer than that.