Help identifying this coin

I hope this is posted in the right spot, if not please accept my apology. I was going through some old boxes of my brothers and found this coin. If anyone has any info I would greatly appreciate it. Thanks!

 

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Japanese.

 

Japan 500 yen
15g. 30mm

mintage 4800000
mintage proof 200000

 

Thanks for the lead!!

I finally found the coin, you are correct except that according to world coin price guide it's 5,000 yen.

cheers

https://www.ngccoin.com/price-guide/world/japan-5000-yen-y-108-yr51993-cuid-54480-duid-147878

 

I am Rich!!! haha, it's actually priceless for it's sentimental value.

 

What year is it?