Can someone do me a big favour please?

Could you drop into TT Money Exchange opposite Boyztown, or preferably in Jomtien, and ask them if they accept UK £50 notes.
I have a vague recollection that they don’t any longer but I’m not 100% sure.

My bank screwed up and ran out of £20 notes. They forced me to accept £50’s.

Don’t want to recharge them or I will end up with used ones which I know TT don’t like.
Many thanks.