50 Pfg crown / eagle brown red in the block of four on commercial used on piece with single circle postmark "KDPAG SHANGHAI 5.9.91", stamp top right with pasted up defects and stamp lower right with small corner crease, otherwise perfectly and decorative total maintenance, expertized Bothe BPP, Michel 680.- (7 % import duty will be charged on the hammer price, if this lots is shipped within the EC or the UK).