The 2020 Summer Sale - Sale 333 Day 2

1950s a group of4 insured covers from Tientsinor Shanghai,
all f.w. Tiananmen or East China People's Post issues, tied by Tientsin or Shanghai cds. A nice group. VF-F.
1950年代一組4枚保價封，天津及上海實寄，貼天安門圖或華東区票，銷天津或上海日戳。上品及上中品。