MANGOLIA 1980 OLYMPIC AIR MAIL ...
MANGOLIA 1979 CHILDREN THEME ...
MANGOLIA INT YEAR OF CHILD SQ ...
HUNGARY 1973 TAMPERE TRIANGLE ...
MANGOLIA SHEEP THEME ODD SHAPE ...
MONGOLIA BIG SQUARED SHAPED S ...
MONGOLIA DOG THEME SQUARED ODD ...
15 Cent GRENADA FESTIVAL OF RE ...
MANGOLIA MASHROOM THEME BIG SI ...
500 FILS RIGHT BROTHER AND APO ...
MANGOLIA ROMANIA POST SQUARE O ...
NOYTA CCCP SQUARED ODD SHAPED ...
MONGOLIA BIG SQUARED ODD SHAPE ...
CUBA ROMANIA CONSTITUTION BI ...
MANGOLIA CUBA CORREOS SQUARE B ...
2 Franc MONACO TRIANGLE POSTAG ...
MANGOLIA FLOWER THEME 30m SQUA ...