Yang EC45-51, 45a, 53, 53a (shade variety) - East China Area 1945 Zhu De Issue of Shandong Wartime Posts (1st Print) imperf. complete set, 10c used, plus rare 5c deep blue color variety, also with two perforated 10c shade and variety

Yang EC45-51, 45a, 53, 53a (shade variety) - East China Area 1945 Zhu De Issue of Shandong Wartime Posts (1st Print) imperf. complete set, 10c used, plus rare 5c deep blue color variety, also with two perforated 10c shade and variety