Lot 963
1903, postal stationery envelope with imprinted "Servicio Postal Fluvial" and a steamboat below, with 1902 coat of arms 5c. green imperforated and brown registration label as additional franking as AR cover via Baranquilla to Tanger, reverse with few missing stamps, otherwise fine and rare, depicted in "Histoire Postale des Lacds et de Rivières du Monde, Antonini/Grasset" on page 84
