NORTH KOREA (1994) Air pollution - World Environment Day*. Deluxe proof. KSC No 3501, Michel No 3631.
AVAILABLE AT $50
NORTH KOREA (1994) Hydroelectric Dam*. Water pollution - World Environment Day*. Deluxe proof. KSC No 3502, Michel No 3632.
AVAILABLE AT $50
NORTH KOREA (1994) Deer*. Gun*. Protect Animal Resources - World Environment Day*. Deluxe proof. KSC No 3503, Michel No 3633.
AVAILABLE AT $50
NORTH KOREA (1994) Forest*. Fire*. Protect Forest Resources - World Environment Day*. Deluxe proof. KSC No 3504, Michel No 3634.
AVAILABLE AT $50