Sierra Leone 1907 Paquebot Env to Switzerland

envelope bearing SG77, 2 1/2d Purple & Blue tied by oval "Deutsche Seepost Line Hamboug West Africa" with octagonal French Paquebot Loango a Marseille L.M. No.2" datestamp (Salles 1252) datestamp and Bern arrival on reverse. (pt)    ID: 14186