The 2 Mun issues of this period were produced by multiple casting offices across Joseon Korea simultaneously, each authorized to strike coinage to meet chronic shortages of circulating bronze. The "Kang" designation identifies the specific furnace or office responsible — a system that created dozens of distinct varieties now catalogued separately. KM#1009 places this piece among the mid-eighteenth century issues tied to expanded military bureau minting, authorized as the government scrambled to fund border defense expenditures following decades of fiscal strain after the Manchu invasions.
The 2 Mun issues of this period were produced by multiple casting offices across Joseon Korea simultaneously, each authorized to strike coinage to meet chronic shortages of circulating bronze. The "Kang" designation identifies the specific furnace or office responsible — a system that created dozens of distinct varieties now catalogued separately. KM#1009 places this piece among the mid-eighteenth century issues tied to expanded military bureau minting, authorized as the government scrambled to fund border defense expenditures following decades of fiscal strain after the Manchu invasions.