1862, 30 kreuzer dark yellow-orange and 18 kreuzer green, used with clear central boxed "ENGEN/18 Jul." on small sealed registered envelope (central seal removed) via  Aachen and England to "Frederick Lauer's Brewery" in Reading, Pensylvania; on revers railway mark "MAINZ/COELN" and front side violet transit mark of Aachen with matching violet crowned "REGISTERED", also faint "NEW YORK AM. PKT." (5.8.). The cover is franked with 9 kreuzer german postage and 39 kreuzer foreign share, noted on front; german registration fee paid in cash according to regulations. The stamps with small repairs in 2 perfs, otherwise very fine and most attractive. The finest of just two recorded entires with this extremely rare combination of the two high values of Baden. Signed Pfenninger und Seeger Provenance: 64. Larisch-auction (1971) (Image)