China issued this commemorative series on September 8, 1909, in honor of Emperor Hsuan Tung, the last emperor of the Qing dynasty. Featuring the iconic Temple of Heaven in Beijing, the stamp designs pay tribute to imperial architecture and symbolize national reverence for the monarchy during a time of profound political transformation. Printed by Waterlow & Sons Ltd. in green and orange using gravure printing, the stamps have variable perforations and were valid until April 1, 1914. These definitive commemoratives reflect the end of dynastic rule in China and the symbolic significance of youth, continuity, and spiritual power. Cataloged as Michel CN-IM 79–81, Scott CN-IM 131–133, Yvert et Tellier CN-IM 80–82, Stanley Gibbons CN-IM 165–167, and China Stamp Society CN-IM 148–150. Condition Mint never hinged with full original gum, bright color, and fine centering. Estimate "$90 – 120"