| Record Number | Keyword(s) | Country | Catalog Listed? | Continent | |
| 2884 | W AUSTRALIA | Western Australia. | Real | Australia |  |
| 2885 | W. (overprint) | South Australia, officials (1868-74) [Waterworks]. | Real | Australia |  |
| 2886 | W.H.W. (overprint) | Danzig, semipostals. | Real | Europe |  |
| 2887 | WADHWAN STATE | India- Wadhwan (1888-9). | Real | Asia |  |
| 2888 | WALLIS ET FUTUNA (overprint on stamps of New Caledonia) | Wallis & Futuna Islands (1920-40). | Real | Americas |  |
| 2889 | WAR (overprint) | British Honduras, war tax stamps. | Real | Americas |  |
| 2890 | WAR CHARITY 3.6.18 (overprint) | Bahamas, semipostals. | Real | Americas |  |
| 2891 | WAR DEPT. | U.S., officials. | Real | Americas |  |
| 2892 | WAR STAMP (overprint) | various British colonies, war tax stamps. | Real | Americas |  |
| 2893 | WAR TAX (overprint) | various British colonies, war tax stamps. | Real | Americas |  |
| 2894 | WARSZAWA | Poland (1918). | Real | Europe | |
| 2895 | WEIHNACHTEN (overprint on stamps of Rhodes) | Italy- Aegean Islands- unofficial German overprint (1944). | Real | Europe |  |
| 2896 | WENDEN | Russia- Livonia- Wenden (1862-84). | Real | Europe |  |
| 2897 | WENDEN KRIESES | Russia- Livonia [District of Wenden]. | Real | Europe |  |
| 2898 | WENDENSCHEN | Russia- - Livonia- Wenden (1862-84). | Real | Europe |  |
| 2899 | WERTAUGABE | German language countries, insured parcel label. | Real | Europe | |
| 2900 | WEST IRIAN | West New Guinea. | Real | Africa |  |
| 2901 | WESTERN SAMOA | Samoa (1935-55). | Real | Australia |  |
| 2902 | WINTERHILF (overprint) | Austria, semipostals. | Real | Europe |  |
| 2903 | WINTERHULP | Netherlands, semipostals. | Real | Europe | |
| 2904 | WIR SIND FREI (overprint on stamps of Czechoslovakia) | Czechoslovakia- German occupation (unofficial) (1938). | Real | Europe | |
| 2905 | WITWEN UND WAISEN-WOCHE (overprint) | Bosnia, semipostals [Widows and Orphans]. | Real | Europe |  |
| 2906 | WN (currency) | Korea. | Real | Asia | |
| 2907 | WOLMAR-RONNEBERG | Latvia, Wolmar district, bogus issue (1918). | Real | Europe | |
| 2908 | WON (currency) | Korea. | Real | Asia |  |
| 2909 | WURTTEMBERG (with denominations in KREUZER or FREIMARKE) | German States- Wurttemberg. | Real | Europe |  |
| 2910 | WURTTEMBERG (with denominations in PF or M) | Germany- Wurttemberg- French occupation (1947-9). | Real | Europe |  |
| 3111 | Wadhwan | Wadhwan (stamp issuing country) 1888 - 1892 | Real | Asia |  |
| 3112 | Wales | Wales (stamp issuing country) 1958 - | Real | Europe |  |
| 3113 | Wallis and Futuna Islands | Wallis and Futuna Islands (stamp issuing country) 1920 - | Real | Australia |  |
| 3114 | Weimar Republic | Weimar Republic (stamp issuing country) 1919 - 1932 | Real | Europe |  |
| 3115 | West Berlin | West Berlin (stamp issuing country) 1948 - 1991 | Real | Europe |  |
| 3116 | West Germany | West Germany (stamp issuing country) 1949 - 1991 | Real | Europe |  |
| 3117 | West Irian | West Irian (stamp issuing country) 1963 - 1970 | Real | Europe |  |
| 3119 | West Ukraine | West Ukraine (stamp issuing country) 1918 - 1919 | Real | Europe |  |
| 3120 | Western Army | Western Army (stamp issuing country) 1919 - 1920 | Real | Europe |  |
| 3121 | Western Australia | Western Australia (stamp issuing country) 1854 - 1912 | Real | Australia |  |
| 3122 | Western Command Area | Western Command Area (stamp issuing country) 1916 - 1918 | Real | Europe |  |
| 3123 | Western New Guinea | Western New Guinea (stamp issuing country) 1962 - 1963 | Real | Asia |  |
| 3124 | Western Samoa | Western Samoa (stamp issuing country) 1935 - 1958 | Real | Asia |  |
| 3125 | Western Thrace | Western Thrace (stamp issuing country) 1913 - only | Real | Europe |  |
| 3126 | Western Thrace (Greek Occupation) | Western Thrace (Greek Occupation) (stamp issuing country) 1920 - only | Real | Europe |  |
| 3127 | Wolmaransstad | Wolmaransstad (stamp issuing country) 1900 - only | Real | Africa |  |
| 3128 | World Health Organisation | World Health Organisation (stamp issuing country) 1948 - 1975 | Real | Europe |  |
| 3130 | Wrangel Government | Wrangel Government (stamp issuing country) 1920 - 1921 | Real | Asia |  |
| 3131 | Wuhu | Wuhu (stamp issuing country) 1894 - 1897 | Real | Asia |  |
| 3132 | Württemberg | Württemberg (stamp issuing country) 1851 - 1924 | Real | Europe |  |
| 3133 | Württemberg (French Zone) | Württemberg (French Zone) (stamp issuing country) 1947 - 1949 | Real | Europe |  |