Feuser / Münzberg, German pre philately, station catalog supplement, 1988 / 1990, 2 Bd., along with over 1. 300 S. and approximate 15. 000 price quotation, 10. 000 postmark, 4. 090 Postal service place, 9. 750 illustration. In the Bd. 2, additions to Bd. 1, as well transit stamp, military and disinfection stamp, Nebenstellenstpl, this outstanding work was 1989 with the victor literary prize excellent, good used condition