The 2020 Summer Sale - Sale 333 Day 3

1930s-40s a carton of 1000+ ROC SYS or Martyrs used stamps,
mostly with clear postmarks, including small cities or commemorative cancels. Large quantity. Please view.
1930-40年代一盒约1000多枚民国孙像和烈士旧票，大部分盖有清晰之地名戳，数量繁多，请预览。