This striking 5 Yuan stamp from the Republic of China features a finely engraved portrait of Dr. Sun Yat-sen, the founding father of modern China and a central figure in early republican postal issues. Printed in bold red with an inner black vignette, the design showcases classic Sun Yat-sen definitive styling—ornate frame scrolls, the National Emblem sunburst, and crisp denomination panels. Your example appears in imperforate form, highly sought after by specialists for its clean margins and strong impression. A superb piece representing the enduring legacy of China’s early republican postal history.