Unknown Japanese Coin 21mm "5"

I am having trouble identifying this coin. It appears to be Japanese, and has an obverse similar to KM65 (the Arabic numeral 5, which seems odd on a Japanese coin but was apparently used from 1945 on).

Any idea what this is?
https://www.flickr.com/photos/georgemo/14190472310/sizes/k/
https://www.flickr.com/photos/georgemo/14375583772/sizes/k/

 

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It may be a 5 sen coin from Japan. Photos are a little fuzzy.

 

It is a 5 fen (五分) aluminum coin issued in 1941 (康德八年) by the Japanese "puppet state" located in northeast China known as Manchukuo.

A similar coin may be seen at this Chinese website.

Gary

 

Thanks! That was driving me crazy, because I was 99% certain it was Japanese from that era. Didn't even occur to me to check the China section of my Krause.