NORTH KOREA (1999) Girl in colorful clothing*. UPU emblem 125th anniversary*. Souvenir sheet with value and silver part of emblem shifted down. KSC No 3979. Scott No 3888.
AVAILABLE AT $50
NORTH KOREA (1999) Girl in colorful clothing*. UPU emblem 125th anniversary*. Souvenir sheet with doubling of image of girl. KSC No 3979. Scott No 3888.
AVAILABLE AT $50
NORTH KOREA (2009) UPU 135th anniversary*. Sheetlet of 6 with color red shifted resulting in double image. KSC No 4632, Scott No 4845.
AVAILABLE AT $60
NORTH KOREA (2009) UPU 135th anniversary*. Sheetlet of 6 misperforated. KSC No 4632, Scott No 4845.
AVAILABLE AT $40
RUSSIA (1949) Globe encircled by letters*. Imperforate with shift of globe revealing a white space. Scott No 1393a. UPU 75th anniversary.
AVAILABLE AT $25