"Guatemala, Yv. n° 123 ""6c."" and 124 ""10c."" on picture postcard sent from Comoba, November 30th, 1903 to ""Mr.Hoffman - agent société Sud-Kamerun à Molundu"", sender request ""aux bons soins de la S.A.B. du haut Congo à Kinshasa"", the only possible w (Image)