https://www.ngccoin.com/price-guide...er-km-556-1825-1837-cuid-1202712-duid-1372741 No real help there, I know. But it's not rare. In that condition, less than $10, probably.
Last number doesn't resemble a 7 to me. In that state and with a silver content of around 0,60 euro cents, value is not much. But, as with everything, it is worth whatever someone will pay
