2 Mark deaf black brown violet, corner margin piece top left with mirror-inverted plate number "3" in mixed franking with upper margin pair 3 Mark dove as well block of four 10 penny worker series as properly franked tenfold franking on registered long distance cover from "GLADBECK (WESTF) 11 22.6.58" to Dortmund with arrival postmark and return, the cover slight traces of use a value to 10 penny perforation fault, otherwise neat overall condition, plate numbers on cover are rare!