1922년 역첨쇄 사용필 우표
CHINA, 1922, Junk Issue, Second Peking Printing, 4¢ on 5¢ gray, inverted surcharge, used, well centered for this, Fine. One of the greatest rarities of 20th Century Chinese philately, certainly the top of the "Four Treasures of the Republic". China Stamp Society Catalogue $200,000, with cert. Scott 274a $275,000 (252,290 CHF). SG 370a. Yvert 208a €160,000 (190,..
