China (People's Republic), 1973, "The White-haired Girl" (N13) complete (Scott 1126-1129), complete sheets of 50, post office fresh, mint, o.g., never hinged, Very Fine. Scott $8,750 (HK$ 68,900). Est. HK$25,000-30,000 (Image1)

Est. HK$25,000-30,000

China (People's Republic), 1974, Industrial Products (N17) complete (Scott 1211-1214), mint, o.g., never hinged, offsets on gum and the first with clear horizontal line across gum, Very Fine. Scott $430 (HK$ 3,390). Est. HK$1,200-1,500 (Image1)

Est. HK$1,200-1,500