Issuers
starting with S
119 stamp-issuing authorities in our directory. Each guide covers the issuing period, the inscriptions to look for, popular series and value ranges.
- 1947–1956 Saar (1947-1956) Europe · Inscribed SAAR Guide
- 1920–1934 Saargebiet (Saar Territory) Europe Guide
- 1957–1959 Saarland Europe · Inscribed SAARLAND Guide
- 2014–present Saba Americas · Inscribed SABA Guide
- 1964–2018 Sabah Asia Guide
- 1850–1863 Sachsen (Saxony) Europe · Inscribed SACHSEN Guide
- 1894–1894 Sainte-Marie de Madagascar Africa · Inscribed STE. MARIE DE MADAGASCAR Guide
- 1861–1861 Salem (British India Postal Administration) Asia · Inscribed INDIA POSTAGE Guide
- 1890–1964 Salisbury (Rhodesia) Africa · Inscribed RHODESIA Guide
- 1877–2017 Samoa Oceania · Inscribed SAMOA Guide
- 1912–1915 Samos Europe · Inscribed ΣΑΜΟΣ Guide
- 1861–1861 San Antonio (United States Local Post) Americas Guide
- 1877–present San Marino Europe · Inscribed REPUBBLICA DI SAN MARINO Guide
- 1877–present San Marino Europe · Inscribed REPUBBLICA DI SAN MARINO Guide
- 1857–1857 Santander Americas · Inscribed SANTANDER Guide
- 1869–present São Tomé and Príncipe Africa · Inscribed S. THOME E PRINCIPE Guide
- 1869–present São Tomé and Príncipe Africa · Inscribed S. THOME E PRINCIPE Guide
- 1869–2018 Sarawak Asia · Inscribed SARAWAK Guide
- 1851–1861 Sardinia (Kingdom) Europe · Inscribed POSTE SARDE Guide
- 1934–present Saudi Arabia Middle East Guide
- 1861–1861 Savannah (Confederate Provisional) Americas · Inscribed PAID Guide
- 1945–1946 Saxony Europe · Inscribed SACHSEN Guide
- 1920–1930 SCADTA (Sociedad Colombo-Alemana de Transportes Aéreos) Americas · Inscribed SCADTA Guide
- 1912–1932 Scarpanto (Karpathos) Europe · Inscribed SCARPANTO Guide
- 1850–1865 Schleswig-Holstein Europe Guide
- 1849–1850 Schwarzenberg Europe · Inscribed SCHWARZENBERG Guide
- 1942–1967 Seiyun Kathiri State Middle East Guide
- 1878–2018 Selangor Asia · Inscribed SELANGOR Guide
- 1861–1861 Selma (Fictional) Guide
- 1887–present Senegal Africa · Inscribed COLONIES POSTES Guide
- 1903–1903 Senegambia and Niger Africa · Inscribed SENEGAMBIE ET NIGER Guide
- 1866–present Serbia Europe · Inscribed SRBIJA Guide
- 1992–present Serbian Republic of Bosnia and Herzegovina (Republika Srpska) Europe · Inscribed REPUBLIKA SRPSKA Guide
- 1918–1919 Sevastopol Europe Guide
- 1890–present Seychelles Africa Guide
- 1865–1897 Shanghai Local Post Asia · Inscribed SHANGHAI Guide
- 1963–1972 Sharjah Middle East Guide
- 1949–1949 Shensi (Shaanxi Province) Asia Guide
- 1915–1919 Shkodra (Albania) Europe · Inscribed SCUTARI Guide
- 1859–1859 Sicily Europe · Inscribed BOLLO DELLA POSTA DI SICILIA Guide
- 1859–2018 Sierra Leone Africa · Inscribed SIERRA LEONE Guide
- 2018–present Sierra Leone (2018-Present) Africa · Inscribed SIERRA LEONE Guide
- 1912–1932 Simi Oceania · Inscribed SIMI Guide
- 1948–present Singapore Asia · Inscribed SINGAPORE Guide
- 1915–1949 Sinkiang (Xinjiang) Asia Guide
- 2010–present Sint Maarten Americas Guide
- 1879–1899 Sirmoor (Nahan) Asia Guide
- 1920–1920 Slesvig Europe Guide
- 1939–present Slovakia Europe · Inscribed SLOVENSKO Guide
- 1991–present Slovenia Europe · Inscribed SLOVENIJA Guide
- 1907–2017 Solomon Islands Oceania Guide
- 1892–1967 Somali Coast (French Somalis Coast) Africa · Inscribed CÔTE FRANÇAISE DES SOMALIS Guide
- 1960–2002 Somalia Africa · Inscribed SOMALIA Guide
- 1903–1960 Somaliland Protectorate Africa · Inscribed SOMALILAND PROTECTORATE Guide
- 1956–1956 Sopron (Local Issues) Europe Guide
- 1864–1949 Soruth (Princely State) Asia · Inscribed SORUTH STATE Guide
- 1910–present South Africa Africa · Inscribed SUID-AFRIKA Guide
- 1870–1901 South African Republic (ZAR) Africa · Inscribed ZUID AFRIKAANSCHE REPUBLIEK Guide
- 1855–1906 South Australia Oceania · Inscribed SOUTH AUSTRALIA Guide
- 1885–1885 South Bulgaria Europe Guide
- None South Carolina Americas Guide
- 1949–1949 South China (1949) Asia Guide
- 1944–1979 South Georgia Americas Guide
- 1986–present South Georgia & South Sandwich Islands Americas Guide
- 1961–1961 South Kasai Africa · Inscribed ETAT DU KASAI Guide
- 1946–present South Korea Asia · Inscribed 대한민국 Guide
- 1950–1954 South Moluccas Asia · Inscribed RMS Guide
- 1944–1944 South Orkney Islands Americas · Inscribed SOUTH ORKNEYS Guide
- 1944–1944 South Shetlands Americas Guide
- 2011–present South Sudan Africa Guide
- 1955–1975 South Vietnam Asia Guide
- 1923–1990 South West Africa Africa · Inscribed SOUTH WEST AFRICA Guide
- 1968–1990 South Yemen Middle East Guide
- 1901–1912 Southern Nigeria Africa · Inscribed SOUTHERN NIGERIA Guide
- 1924–1964 Southern Rhodesia Africa · Inscribed SOUTHERN RHODESIA Guide
- 1949–1950 Southwest China Asia Guide
- 1966–present Sovereign Military Order of Malta Europe · Inscribed SMOM Guide
- 1850–present Spain Europe · Inscribed ESPAÑA Guide
- 1855–1898 Spanish Colonies Americas · Inscribed ESPAÑA Guide
- 1873–1898 Spanish Cuba Americas · Inscribed CORREOS Guide
- 1902–1959 Spanish Guinea Africa · Inscribed GUINEA ESPAÑOLA Guide
- 1914–1955 Spanish Morocco Africa · Inscribed MARRUECOS Guide
- 1924–1975 Spanish Sahara Africa Guide
- 1909–1949 Spanish Tangier Africa · Inscribed TANGER Guide
- 1949–1951 Spanish West Africa Africa · Inscribed ÁFRICA OCCIDENTAL ESPAÑOLA Guide
- 1855–1871 Spanish West Indies Americas · Inscribed ULTRAMAR Guide
- 1861–1861 Sparta (Ancient Greek City-State) Europe · Inscribed ΕΛΛΑΣ Guide
- 1861–1861 Spartanburg (Confederate Postmaster Provisionals) Americas · Inscribed SPARTANBURG S.C. Guide
- 1945–1946 Spremberg (Local Issues) Europe · Inscribed SPREMBERG Guide
- 1972–present Sri Lanka Asia · Inscribed SRI LANKA Guide
- 1870–1890 St. Christopher (1870-1890) Americas · Inscribed ST. CHRISTOPHER Guide
- 1952–1980 St. Christopher, Nevis, Anguilla Americas Guide
- 2014–present St. Eustatius Americas Guide
- 1856–present St. Helena Africa · Inscribed ST. HELENA Guide
- 1980–present St. Kitts Americas Guide
- 1903–1951 St. Kitts-Nevis Americas Guide
- 1845–1847 St. Louis (Provisional Issues) Americas Guide
- 1849–1857 St. Louis, Missouri (Postmaster Provisionals) Americas · Inscribed ST. LOUIS. POST OFFICE. Guide
- 1860–present St. Lucia Americas · Inscribed ST. LUCIA Guide
- 1885–present St. Pierre et Miquelon Americas Guide
- 1861–1992 St. Vincent Americas · Inscribed ST. VINCENT Guide
- 1993–present St. Vincent and the Grenadines Americas · Inscribed ST. VINCENT Guide
- 1912–1932 Stampalia Guide
- 1861–1861 Statesville (Confederate Postmaster Provisional) Americas · Inscribed PAID Guide
- 1884–1884 Stellaland Africa · Inscribed STELLALAND Guide
- 1946–1946 Storkow (Local Issues) Europe Guide
- 1867–1937 Straits Settlements Asia · Inscribed STRAITS SETTLEMENTS Guide
- 1946–1946 Strausberg (Local Issues) Europe Guide
- 1897–present Sudan Africa · Inscribed SUDAN Guide
- 1868–1868 Suez Canal Zone Africa · Inscribed CANAL DE SUEZ Guide
- 1861–1861 Sumter (USA Local Post) Americas · Inscribed SUMTER S.C. Guide
- 1880–1895 Sungei Ujong Asia · Inscribed SUNGEI UJONG Guide
- 1873–present Suriname Americas · Inscribed SURINAME Guide
- 1889–2018 Swaziland (Eswatini) Africa Guide
- 1855–present Sweden Europe · Inscribed SVERIGE Guide
- 1849–present Switzerland Europe · Inscribed HELVETIA Guide
- 1919–present Syria Middle East · Inscribed U.A.R. Guide
- 1933–1949 Szechwan (Sichuan Province) Asia Guide
- 1919–1919 Szeged (Hungarian Local Post) Europe · Inscribed SZEGED Guide
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