sentences:  The third issue became necessary when the fall of Beijing to the Japanese in July 1937 resulted in having printing plates that were behind enemy lines.A new design was required, and it is most easily recognized by the replacement of the Corinthian columns in the side panels with floral scrollwork.The new stamps, first released on 1938-11-11 were printed by the Chung Hwa Book Co., the Dah Tung Book Co. and the Commercial Press, all of Hong Kong.