Germany-proper stamp (Germania-Reichspostamt / Main Post Office Berlin) in emergency usage within Deutsche Auslandpostamt China / German Offices China during the Boxer Rebellion, one of the so called 'Petschili Aushilfsausgabe' / Petschili Northern China Emergency Provisionals. '18 CV EUR700. With KD Feldpostexpedition No2 cancel of Peking. Expertized Bothe reverse.