The legendary founding of Korea happened in 2333 BC on Gregorian (Western) calendars. That makes the Korean year 4292 equivalent to 1959 AD, and that is the date of this coin. These were minted only that year and the mintage is not known. Even though they are made of non-precious copper-nickel, collectors are willing to pay a little money to add one of these unique items to their collections.
Catalog values get downright respectable for this modern coin:
worn: $1 US dollar approximate catalog value
average circulated: $4
well preserved: $8
fully uncirculated: $50
Remember these are catalog values and represent inflated price. To correct for catalog inflation, apply the concepts shown on our Important Terminology page.