20th anniversary special cancelled postcard, Taipei exhibition (left side), and Kimen military post office (right side) on August 23, 1978.
20th annivery 823 artillery battle victory exhibition cover, on August 23, 1978.Today is the 49th anniversary of the 823 (August 23, 1958) artillery battle day, in memorial the history of the Republic of China (Taiwan) anti-communist agressive war.
