ARGENTINA (1975) Frigate "Heroina"*. Map of Malvinas*. Variety with double impression of frigate from sheet margin. Scott No 1033, Yvert No 1050.
AVAILABLE AT $30
NORTH KOREA (1998) Naval victory monument*. Block of 4 with missing colors. KSC No 3908. Scott No 3802.
AVAILABLE AT $50
NORTH KOREA (1999) Turtle armored ship*. Souvenir sheet missing color black and inscriptions on stamp. KSC No 3949. Scott No 3845. Melbourne stamp exhibition.
AVAILABLE AT $50
NORTH KOREA (1999) Turtle armored ship*. Imperforate souvenir sheet with stamp printed upside down. KSC No 3949. Scott No 3845. Melbourne stamp exhibition.
AVAILABLE AT $50
NORTH KOREA (2003) Passenger ship Undok No. 2*. Imperforate block of 4 missing all colors except red. KSC No 4256. Scott No 4278.
AVAILABLE AT $50
U.S.A. (1962) Riverboat on Mississippi*. Louisiana statehood issue misperforated so "LOUISIANA" appears 1/2 at top and 1/2 at bottom of stamp. Scott No 1197, Yvert No 730.
AVAILABLE AT $20
BANGLADESH (1999) Mail boat*. Shift of color red or yellow in block of 4 resulting in doubling of inscriptions. Scott No 592.
AVAILABLE AT $30
MONTSERRAT (1985) Charles & Diana*. Royal yacht "Brittania"*. Variety with surcharge meant for #589, but inverted and spanning 2 stamps. Scott No 578, Yvert No 586,
AVAILABLE AT $25