The 2020 Summer Sale - Sale 333 Day 2

1962-64 C92 Scientists & S63 Bronzo Vessels FDCs sets, (Scott 639-646 & 783-790),
all locally registered mail to Tsinghwa University, with arrival on reverse. Slightly toned. VF-F.
1962-64年纪92科学家及特63殷代铜器各一套，均北京本地掛號寄清华大学，背有到达戳。微黄上品。