Description
Müller-Mark, Altdeutschland unter der Lupe, 5th edition, Bergedorf, Braunschweig, Bremen, 1959, here the 2nd edition, which is interesting from a philatelic history perspective, published by the short-lived publishing house of Schätzle & Jakubek, Kurfürstendamm 216, 1 Berlin 15, #38855