The 2022 Summer Sale - 338th Auction Day 2

1960s-70s a group of PRC W, N & R series stamps, including N7, N57-62, N66-77 and R14 mint sets, W2 used set, plus a few W series used stamps and N series odd value stamps. F-VF.
The People's Republic of China & Liberated Areas Stamps and Postal History