The 2020 Summer Sale - Sale 333 Day 3

1930s-1940s a group of ROC issues on album pages,
totally 1000+ ,int or used stamps, containing SYS, Martyrs, Gold Yuan, Airmail, Postage Due and commemorative issues. Please view.
1930至40年代一组1000多枚民国新旧票，包括孫像、烈士、金圓、航空票、欠資票及其他紀念票等，请预览。