1950, 20 Won strip of 3, overprinted with red double circle of North Korea occupation forces, canc. "Kang Hwa Mun 50.9.12", a Seoul branch office. The largest recorded used multiple of any occupation value. (Image)

1950, South Koreastationery card "liberation" 5 Ch. red, overprinted with red double circle of North Korea occupation forces, unused mint, natural paper inclusion. (Image)