Issued on 7 October 1948 during China's hyperinflationary Gold Yuan reform, this full mint never hinged sheet displays the bright green 2½ cent Dr. Sun Yat-sen definitive overprinted in black with the new denomination “½ cent” in Gold Yuan currency. Printed via gravure by Dah Tung Book Co. and Dah Yeh Printing Co. in Shanghai, the issue is ungummed by design and line perforated 14. Each stamp measures 24 x 26 mm and features the iconic portrait of Dr. Sun Yat-sen, a revered statesman and revolutionary leader. Catalogued as Scott 821, Michel 876a, Yvert 646, Stanley Gibbons 1050, and China Stamp Society 1281, the sheet is part of the Gold Yuan Surcharge series, created to address urgent economic instability and currency transition. This full sheet of 100 stamps is complete with top margin inscriptions and control numbers, exhibiting crisp overprints and fresh color. A well-preserved example of a dramatic moment in Chinese postal and monetary history. Estimate "$160 – 200"