Sheet of Changchun Second Issue of MLO Kerr 13, Luzitano KR4, with 3 varieties: double "Hua" in pos. 8, double "Zheng" in pos. 41, and broken "Zan" in pos. 87, 4 stamps missing at UL and crease at LL

Sheet of Changchun Second Issue of MLO Kerr 13, Luzitano KR4, with 3 varieties: double "Hua" in pos. 8, double "Zheng" in pos. 41, and broken "Zan" in pos. 87, 4 stamps missing at UL and crease at LL