O) 1904 CHILE, GUAYAQUIL, SEMINARY PARK, CIRCULATED TO MONTEVIDEO
O) 1995 KIRIBATI, END OF WORLD WAR II, REVERSE OF WAR MEDAL 1939 - 1945,...
O) 1994 COSTA RICA, AMERICA UPAEP, BULL, CENTURY BOOK OF FIGUEROA, MAN ON HONSEBACK, BACK OF OX CARRYING BUNDLES
O) 2004 COSTA RICA, 2004 SUMMER OLYMPICS ATHENS, ATHLETES, CYCLING, FOOTBALL, BOXING, GYMNASTICS, MNH
O) 2005 COSTA RICA, AMERICA UPAEP, FIGHT AGAINST POVERTY, CHILD AT COMPUTER, MAN SAWING WOOD, MEDICAL WORKER, MNH
O) 2008 COSTA RICA, SURCHARGE PRO -CIUDAD DE LOS NIÑOS, CHILDREN'S ART, PAINTINGS, MNH
O) 2013 COSTA RICA, FIRST COSTA RICA POSTAGE STAMP. LAMINATED EDITION, MNH
O) 2013 COSTA RICA, PRO CITY SURCHARGE, PAINTING, SHEET MNH
O) 2014 COSTA RICA, FIFA WORLD CUP 2014, BRAZIL 2014, MASCOT, MNH
O) 2021 CHILE, FIRST CRY OF INDEPENDENCE OF AMERICA 1811, INDIGENOUS GEOMETRIC PATTERNS, ACT OF INDEPENDENCE, FLAGS COSTA RICA, EL SALVADOR, GUATEMALA, HONDURAS, NICARAGUA, MNH
O) COSTA RICA, 1901 JUAN MORA FERNANDEZ 2c, JUAN MORA FERNANDEZ 2c yellow green, PAIR XF
O) COSTA RICA, 1903 JOSE M. CAÑAS, SCT 55 4c red violet, 1910 JOSE M CAÑAS SCT 71 4c SCARLET, USED XF
O) COSTA RICA, 1907 STATUE OF JUAN SANTAMARIA SCT 59 1c red brown, JUAN SANTAMARI SCT 79 1911 OVERPRINTED, XF
O) COSTA RICA, AMERICA UPAEP, PRECOLUMBIAN STONE CARVING SPHERE, SECOND REPUBLI, PLANE. SPECIAL DELIVERY, CIRCULATED TO USA
O) COSTA RICA, BRAULIO CARRILLO 10 centimos blue, BRAULIO CARRILLO 10 centimos, HABILITADO OVERPRINTED, XF
O) COSTA RICA, COLON, SURCHARGED2 centimos, POSTAL STATIONERY
O) COSTA RICA, COLUMBUS SOLICITING AID OF ISABELLA, SEAL OF COSTA RICA PHILATELIC SOCIETY, EXHIBITION, ST. SCHERER, CIRCULATED TO GERMANY
O) COSTA RICA, DIPLOMATIC MAIL, CONSULATE OF COLOMBIA, CONVENCION POSTAL PAN AMERICANA, FRANCO DE PORTE, SAN JUAN DE DIOS HOSPITAL, CIRCULATED TO USA
O) COSTA RICA, JOSE MARIA ALFARO . AMERICAN BANK NOTE, SAN JUAN DE DIOS HOSPITAL, AIRMAIL CIRCULATED TO SPAIN
O) COSTA RICA, LIMON PROVINCE, UPU, COLON, CHRISTOPHER COLUMBUS 5 centimos, MAURO FERNANDEZ 5 centios STAMP, POSTAL STATIONERY TO GERMANY, BOX CANCELLATION, XF
O) COSTA RICA, MAIL PLANE ABOUT TO LAND, PUNTARENAS, AIRPORT ADMINISTRATION BUILDING, LA SABANA, CIRCULATED COVER TO USA
O) COSTA RICA, MAURO FERNANDEZ, SCT 72 5c orange, HABILITADO 1911 OVERPRINTED, XF
O) COSTA RICA, POSTAL STATIONERY, CHRISTOPHER COLUMBUS, CIRCULATED FROM SAN JOSE TO SANTIGO DE CHILE, XF
O) COSTA RICA, SYMBOLS OF UPU, DOVE, GLOBE, AMERICAN BANK NOTE - MAIL PLANE ABOUT TO LAND, LIC. EDGAR MARIN B. AIRMAIL TO SWITZERLAND
O) COSTA RICA, TRAIN - TELEGRAPH STAMP SURCHARGED FOR POSTAGE, 13c on 40c deeo green, COSTA RICA DENTAL AND MEDICAL SUPPLY CO, CIRCULATED TO USA
O) COSTA RICA, TRANSATLANTIC AIR MAIL, TRENCHES OF SAN ISIDRO BATTALION - GUERRA DE LIBERACION NACIONAL 1948, WAR FOR NATIONAL LIBERATION - WATERLOW AND SONS, CARLOS FEDERSPIEL, CIRCULATED TO SPAIN
O) COSTA RICA, METER STAMP, LIONS CLUB, POPULAR CONTRIBUTION PRO DOMINGO SOLDATI, AIRMAIL TO GERMANY
O)1904 COSTA RICA, JOSE M. CAÑAS - SCT 55 4c, RIO GRANDE POSTAL CAR - LANDSCAPE, POSTAL CARD - STEINBERGKIRCHE
O) 1892 COSTA RICA, COAT OF ARMS SCT 35 1c blue, OFICIAL OVERPRINTED, VARIETY IN CANCELLATIONS, XF
RE)2004 COSTA RICA, MOTHER EARTH, VOLCANOES SET, MNH
SB) 1947 COSTA RICA, INTERNATIONAL SOCCER GAME AT NATIONAL STADIUM, CARIBBEAN AND CENTRAL AMERICAN SOCCCER CHAMPIONSHIP,OVERPRINTED HABILITADO PARA 15c, Decreto N°16 de 28 de abril de 1947, SCT C145-C147. MNH
SB) 2002 COSTA RICA, ANTHROPOLOGY, HUMAN RACE, PAN-AMERICAN HEALTH ORGANIZATION, PEOPLE, MOTHER AND CHILD, CHILS AND MAN,MNH
SB) 2004 COSTA RICA, 2004 SUMMER OLYMPICS ATHENS, ATHLETES, CYCLING, FOOTBALL, BOXING, GYMNASTICS. POSTER, BARCELONA OLYMPICS, PANCRATION, GOLD MEDAL, BERLIN OLYMPICS, MNH
SB) COSTA RICA, AMERICA UPAEP 1994, CENTURY BOOK OF FIGUEROA, MAN ON HORSEBACK, BACK OF OX CARRYING BUNDLES, FRAGMENT, XF
SB) COSTA RICA, UPU, 3 centavos red, POSTAL STATIONERY UNUSED
SB) COSTA RICA, WORLD CUP SOCCER CHAMPIONSHIPS, ITALY, SCT 424, 5 colones, MNH