HONG KONG, 1912-24, 6c Orange,
King Geo. V, Inverted Wmk. (Yang 102b). Mint N.H. block of four, fresh
and bright color, clear wmk.VERY FINE. THIS BLOCK OF FOUR OF THE 6-CENT KING GEO. V WITH INVERTED WATERMARK MAY BE UNIQUE.
Yang value as singles HK$58,000 (Image)