Spain – back of the book issues

Delivery tax
 file:Spain del tax.jpg| 
 * In 1931, a 5c numeral design was issued additionally inscribed DERECHO / DE ENTREGA.
 * Also in 1931, the above stamp was overprinted REPUBLICA horizotally and diagonally in different fonts.

Franchise
 File:Spain franchise A.webp|1869 Castell stamp 
 * In 1869, an undenominated stamp with the design of an envelope was issued for Diego Castell, inscribed CARTILLA POSTAL DE ESPAÑA.
 * In 1881, an open book design inscribed FRANQUICIA / POSTAL was issued for Antonio Fernandez Duro.

Official stamps
 File:Spain 1854 1oz.webp|1854 1 onza value File:Spain 1855 half offic.webp|1855 ½o value File:Spain 15 Bby offic.webp|1895 15c Baby File:Spain 1896 deputies.webp|1896 rose File:Spain 1916 Cerva deput.webp|1916 green Cervantes File:Spain 1931 15c off.webp|1931 15c Pan Am Union 
 * In 1854, an arms design was issued with the year date included. These are not denominated but show the weight of letter.
 * In 1855-63, a new arms design in an oval in a rectangular frame were issued. These again have "values" by weight.
 * In 1895, a 15c yellow "Baby" design was issued.
 * In 1896-98, a new arms design was issued with the inscription CONGRESSO DE LOS DIPUTADOS.
 * In 1916, the undenominated Cervantes set was issued with differen t valeus for the Senate and Chamber of Deputies.
 * In 1931, the Pan American Union series was overprinted "Oficial." This included the airmails.
 * In 1999, postal designs for the Philatelic Department were issued.

Postal tax
Postal tax stamps were issued nearly every year between 1937 and 1953, including semipostals and airmail stamps. They are almost invariably with the red anti-tuberculosis cross of Lorraine. They are also in very low values relative to the normal postage rates of the time.  File:Spain 1946 10c potax.webp|1946 10c value File:Spain 1949 potax.webp|1949(?) 5c El Cid File:Spain 1949 postax.webp|1949 5c galleon 
 * In 1937, a 10c value was issued, the design showing an open hand and the cross of Lorraine anti-tuberculosis symbol.
 * In 1939, a design of "Peace" and marching soldiers was issued, inscribed HOMENAJE AL EJERCITO.
 * In 1939, a 10c claret Franco portrait design was issued.
 * In 1949, a 5c El Cid design was issued, inscribed AUXILIO / A LAS / VICTIMAS / DE LA / GUERRA / 1946.

Special delivery
These stamps are additionally inscribed or overprinted "URGENTE", "URGENCIA" or "CORRESPONDENCIA URGENTE".  File:Spain 1905 specD.webp|1905 20c typographed File:Spain 1932 specD.webp|1932 20c value perf 11½ File:Spain 1930 Railway Cong SD.webp|1930 20c Railway Congress File:Spain 1930 Goya SD.webp|1930 20c Goya 
 * in 1905, a 20c Pegasus and national arms typographed design was issued, inscribed "CORRESPONDENCIA URGENTE" only
 * In 1925, it was issued lithographed.
 * In 1926, a 20c value was issued for the Red Cross series.
 * In 1929, a stylized leaping gazelle design was issued as part of the Seville-Barcelona issue, perf 11 or 14.
 * In 1929-32, a small Pegasus design was issued in different perfs.
 * In 1929, it was overprinted for the League of Nations Conference.
 * In 1930, the small Pegasus design was overprinted "URGENCIA".
 * Also in 1930, a 20c Railway Congress stamp was issued.
 * The long commemorative series that followed also had special delivery values issued, either inscribed or overprinted as such.

 File:Spain 1934 specD.webp|1934 20c value File:Spain 20c 1942 SpecD.webp|1942 20c value (no imprint) File:Spain Corres Urgente.jpg|1966 value File:Spain 1966 6.50p SD.webp|1966 6.50p value File:Spain chariot SD 1971.webp|1971 10p chariot 
 * Meanwhile in 1934, a new 20c Helios design was issued.
 * In 1937, a new 20c Pegasus design was issued in violet brown, with "Hija deB Fournier – Burgos" imprint.
 * In 1938, it was reissued without imprint.
 * In 1939, a new 20c Pegasus design was issued, with "SANCHEZ-TODA" imprint, perf 10½.
 * In 1942, it was issued perf 10 and without imprint.
 * In 1956, a 2p paper airplane and 4p centaur design were issued.
 * In 1965-66, other values in the above designs were released.
 * In 1971, a 10p chariot and 15p letter and globe designs were issued.
 * In 1993, a 180p arrows design was issued.

War tax
 File:Spain 1874 10c wartax.webp|1874 10c value File:Spain war tax 1875 A.webp|1875 5c value File:Spain war tax 1876 A.webp|1876 5c value File:Spain 1897 10c wartx.webp|1897 10c value File:Spain 1898 wartx.webp|1898 20c value File:Spain 1898 recargo wrtx.png|1898 5c RECARGO 
 * In 1874, a coat of arms design was issued, inscribed IMPUESTO DE GUERRA. The 5c value has been forged.
 * In 1875, a heavier-lined design was issued, with IMPTO. DE GUERRA in a scroll at top.
 * In 1876, a small portrait design of Alfonso XII was issued, inscribed IMPUESTO DE GUERRA.
 * In 1877, a new portrait design was issued, now inscribed IMPTO. DE GUERRA.
 * In 1879, a new postage stamp-like design was issued, similarly inscribed. These were never issued.
 * In 1897, a numeral vignette design was issued, similarly inscribed at top and with 1897 A 1898. at bottom.
 * In 1898, another numeral vignette design was issued, now with 1898 1899. at bottom.
 * In 1898, a single 5c Alfonso XIII portrait design was issued, inscribed RECARGO 5 CS. at bottom.