Switzerland, 1857, Sitting Helvetia ("Strubel"), 15rp rose, blue silk threads, in combination with 1858-62, Sitting Helvetia ("Strubel"), 20rp dark orange, green silk threads on thick paper on cover to Paris, France, tied by "Geneve, Oct 2, 58" cds's, transit and receiving backstamps, Very Fine; with 1998 R. Berra-Gautschy certificate. Scott No. 28+33. Zumstein No. 24D+25G  Estimate $300 - 400. $0 (Image)

Switzerland, 1857, Sitting Helvetia ("Strubel"), 15rp pale dull rose, green silk threads on thin paper, in combination with 1854-55, Sitting Helvetia ("Strubel"), 20rp pale orange, emerald silk threads, Bern printing on cover to Paris, France, tied together by diamond grid handstamp and 20rp tied to cover by "PD" in circle handstamp, "Geneve, Dec 1, 56" origin cds and receiving backstamp; 15rp lifted and hinged back to original position, Very Fine. Scott No. 33+23. Zumstein No. 24F+25B  Estimate $200 - 300. $0 (Image)