This photo taken on Feb. 4, 2026 shows the “National Treasures: Traditional Hungarian and Chinese Instruments” stamps at a launch ceremony in Budapest, Hungary. (Photo by David Balogh/Xinhua) The sheet features four stamps, depicting China's guzheng and Hungary's zither. BUDAPEST, Feb. 4 (Xinhua) -- Hungary and China on Wednesday jointly issued a commemorative stamp series titled "National Treasures: Traditional Hungarian and Chinese Instruments" for the upcoming Chinese New Year.