i have a lot of Japanese coins lol. I brought them back with

me when I went to Japan. I've had them since 2018, and I can't exchange them back into £.
(apparently we can't exchange Japanese coins back into Pounds?)
so they've just been sitting there for 3 years lol. I can't do anything with them!
I have no idea how much is there, maybe I'm Rich? or maybe I have enough to buy いなり寿司。