NORTH KOREA (1977) Arca inflata*. Misperforated block of 4. KSC No 1644. Scott No 1620.
AVAILABLE AT $30
NORTH KOREA (2002) Leach (Cristaria plicata)*. Block of 4 misperforated and missing color red. KSC No 4186. Scott No 4210.
AVAILABLE AT $50
NORTH KOREA (2002) Leach (Cristaria plicata)*. Block of 4 missing color black. KSC No 4186. Scott No 4210.
AVAILABLE AT $50
NORTH KOREA (2002) Lanceolaria cospidata Kuroda*. Block of 4 with mostly missing color black (only the denomination can be seen very faintly). KSC No 4187. Scott No 4211.
AVAILABLE AT $50
NORTH KOREA (2002) Lanceolaria cospidata Kuroda*. Block of 4 with massive shift of color blue. KSC No 4187. Scott No 4211.
AVAILABLE AT $50
NORTH KOREA (2002) Schistodemus lampreyanus (Baird et Adams). *. Block of 4 with color black missing. KSC No 4188. Scott No 4212.
AVAILABLE AT $50