O) 1995 KIRIBATI, END OF WORLD WAR II, REVERSE OF WAR MEDAL 1939 - 1945,...
O) 1973 GERMANY, NICOLAUS COPERNICUS, HELIOCCENTRIC MODEL, EXHIBITION IN...
O) 1902 PERU, MANCO CAPAC, FOUNDER OF ICA DYNASTY, TOSS AND DATE...
O) 1916 AUSTRIA, AUSTRIAN CROWN 10h, POSTAL STATIONERY UNUSED
O) 1995 ALDERNEY, RETURN OF THE ISLANDERS 1945, STEAMBOAT, MNH
O) 1995 GRENADA AND GRENADINES, SECOND WORLD WAR, - PEACE IN THE...
O) 1956 COSTA RICA, ROTARY INTERNATIONAL, HAND PROTECTING BOY, HOSPITAL, GLOBE AND PALM LEAVES, LIGHTHOUSE, SCT C246-C251. XF
O) 1960 COSTA RICA, 17th OLYMPIC GAMES ROME, WOLF CAPITOLINE - YMBOL, SOUVENIR MNH
O) 1974 COSTA RICA , JOAQUIN VARGAS, ALEJANDRO MONESTEL, JULIO MATA, RAFAEL CHAVES, MANUEL M. GUTIERREZ. 1971 COSTA RICA CHRIST AND PAX, MADONNA AND CHILD TAX STAMPS. FDC XF
O) 1977 COSTA RICA, UN EMBLEM, COSTA RICA POST OFFICE, UPU, BOOK OF THE MONTH CLUB, XF
O) 1979 COSTA RICA, CHRISTMAS TRADITION, BIRTH OF JESUS, MANGER, FDC XF
O) 1980 COSTA RICA, PRESIDENT LEON CORTES, 3 colones, AIRMAIL TO FINLAND
O) 1983 COSTA RICA, ST. FRANCIS OF ASSISI BY GRECO, JIMENEZ CANTON, CORTEL, XF
O) 1988 COSTA RICA, NORTH AND SOUTH CAMPAIGN, ADULT EDUCATION, CULTURAL RADIO PROGRAMS, CULTURAL COOPERATION WITH LIECHTENSTEIN, FDC XF
O) 1989 COSTA RICA, EDUCATOR OMAR DENGO AND THE TEACHERS COLLEGE, HEREDIA, ROAD SAFETY, ROAD SIGNS, FDC XF
O) 1994 COSTA RICA, AMERICA UPAEP, BULL, CENTURY BOOK OF FIGUEROA, MAN ON HONSEBACK, BACK OF OX CARRYING BUNDLES
O) 2004 COSTA RICA, SURCHARGE PRO CITY OF CHILDREN, THREE WISE MEN, 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) 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, 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) 1892 COSTA RICA, COAT OF ARMS SCT 35 1c blue, OFICIAL OVERPRINTED, VARIETY IN CANCELLATIONS, XF