5 pfennigs postal stationery postcard as commercially Petschili use, on the reverse side with full text, posting postmark "Beijing 17 / 6 01 German post", alongside two various rectangle cancel "S. B. OSTAS EXPED. Field hospital 2" respectively "S. B. OSTAS. EXPED. II. BAT. 2. INF-REGMTS. ", addressed to Aurich with arrival postmark from 3.8.01, expertized Bothe BPP, Michel 1.100.-