This is a fault-free mint never hinged sheet of 50 postage stamps featuring SUN YAT-SEN, the Chinese revolutionary and founding father of the Republic of China. The stamps have a denomination of 4 cents and were issued in 1961 in the United States. The color is blue and the quality is graded as XF/S (Extremely Fine/Superb). The sheet includes a certification from USPS and is a great addition to any stamp collection. The topic is China and the place of origin is also the United States. Don't miss out on the opportunity to own this unique piece of history.