Auction: CSS12 - The Philatelic Collector's Series sale
Lot: 1248
China
1932 Northwest Scientific Expedition 1c. to 10c. set of four, bottom sheet margin blocks of six, with "Chinese Bureau of Engraving and Printing" imprint and plate number "1", very fine and fresh unmounted mint,. Chan 329-332. Photo
Estimate
HK$12,000 to HK$15,000