12 Pfg and 24 Pfg Workers with wrapper, Munich postal forgery, perfectly mint never hinged. During the period when these stamps were in circulation (1948), sheets of the 12 Pfg and 24 Pfg series were fraudulently altered by a forger, who applied imitated wrapper markings to them, causing damage to the postal service. Expertised by H.-G. Schlegel BPP with photographic finding copy (for former block of four), Michel 800.-