Together with 2 Gr. as a correctly stamped postage paid on registered letter with Prussia Ra2 "PRETTIN" (OPD Merseburg) to Gera (arrival postmark) back 5 gray ultramarinely (on the left above round edge) embellishes red varnish seals 1/2 Gr. a small color line, like plate error VIII, expertised Brugger BPP orange (above about I of EMPIRE)