Spent a whole afternoon doing some number games as I found an interesting reference. So far from what I know, there isn't any reference that provide mintage of Manchukuo coins. However this reference has shown a different perspective which provides figures of how much money was issued every year. From this, I've tried to deduce mintage figures which somewhat looks right. Here's what I've thought: http://gxseries.com/numis/china/manchukuo_mintage.htm Couple of highlights that I've added - these two are a lot tougher than what many would think: 1943 5 fen - was a lucky win. Missed it three times in a row and all of them went past the 50 dollar mark. 1942 1 fen - despite the low grade, I struggled to find one in any condition for a long time. Makes me wonder if this is underrated. I've also compiled what I have and started to get rid of the lower grade coins from my collection. This looks like it's getting in place. Here's one with everything compiled together: http://gxseries.com/numis/china/manchukuo.htm Another one is an album version: http://gxseries.com/numis/china/album/manchukuo1.htm Getting close to complete this but the rest of the coins are key dates - hard to find in any condition to start off with. Please feel free to add what you think about my method of speculating mintage - open to critism.