Quote:
...I am suspecting that this is a token for either a coin operated laundry or Japanese arcade...
Correct. It's a token from a parlour of a peculiarly Japanese form of arcade game known as "pachinko" or their modern electronic equivalents, "pachisuro". Do a forum search for either of those words and you'll find several tokens of similar style (though not identical design), like
this one and
this one.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis