Auction: CSS49 - The Philatelic Collectors' Series Sale - conducted behind closed doors
Lot: 438
China
Foreign Post Offices
British Post office
1917-21 2c. green, wmk multiple crown CA, pair with inverted wmk variety, used with Shanghai (Webb type L) c.d.s., very rare error, not list in Yang's catalogue. SG 2w
Sold for
HK$12,000