Prussia, 1861, 1sgr ultramarine, in combination with 1861, 3sgr bister on embossed ladies cover to Bex, Switzerland, canceled by "Herzberg, 6 11 67" boxed date stamp with 2sgr tied by crayon rate markings, appropriate transit and receiving backstamps; central wax seal cover stain, Very Fine. Michel No. 17a+18a  Estimate $600 - 800. $0 (Image)