Japanese Forces in Shanghai Postage

A Japanese forces mail with framed orange-red censor mark on front and circular pictorial cachet on front commemorating the Fall of Nanking and Dec. 1937 unfranked censored military ‘star’ PC to Miyago Prefecture with an unframed mark to indicate Mail charged to Water Supply Car of Kodai (Shanghai Kanebo) apparently a large civilian company assisting the troops in providing a water supply.