ROC (Taiwan) Postal Missent Chop
Poland cover, posted on April 7, 1986 from Bytom to Taipei, the cover was missent to commnunist China, then via Hongkong return to Taipei on April 18, 1986.
The cover was cancelled with one red color postal missent chop, as "Missent to communist China, then via Hongkong return to Taiwan" by Taipei Airmail Porocessing Centre.
