530 | Spain

153(4). 1874. 10 cts castaño, cuatro sellos. Sobre con membrete publicitario de Plácido Ramón de Torres semejante a un Entero Postal de BARCELONA a PAU (FRANCIA). MAGNIFICO Y RARISIMO, SE TRATA DE LOS PRIMEROS SOBRES PUBLICITARIOS CONOCIDOS, ESTE SIN DUDA DE UNA ENORME ESPECTACULARIDAD.

Automatically generated translation

153(4). 1874. 10 chestnut cts, four stamps. Cover with advertising letterhead by Plácido Ramón de Torres similar to a Postal Stationery from BARCELONA to PAU (FRANCE). MAGNIFICENT AND VERY RARE, IT IS THE FIRST KNOWN ADVERTISING ENVELOPE, THIS IS WITHOUT A DOUBT OF HUGE SPECTACULARITY.