A friend of my wife has a bag of foreign coins. I’ll post a few starting with this one. As found,uncleaned
Nice example coin, heavy oxide coating. These older Zinc coins are notorious for turning black with oxidization.The white spots are fully oxidized metal. https://www.ngccoin.com/price-guide...nig-km-26-1917-1922-cuid-1132319-duid-1313935