This striking Chinese stamp from 1949 features industrial progress with a locomotive and ship, symbolizing modernization and trade. Originally issued in the Northeast Provinces, it carries an overprint with a bold "500" denomination, reflecting inflation-era adjustments. The deep violet-blue design highlights factories, smokestacks, and transport—classic motifs of post-war reconstruction under the People’s Republic of China. A historic piece for collectors of Chinese overprints and transitional period issues. An essential addition to any philatelic collection exploring China’s economic and political shifts of the late 1940s.