The People's Republic of China & Liberated Areas Stamps and Postal History

1949 (Mar 18) Tientsin to Shanghai cover, franked with North China People's Post issue, tied by Tientsin cds. On reverse also with Tientsin cds and Shanghai arrival. Rare cover between KMT and CCP area. VF-F.
1949年3月18日天津寄上海封，貼華北人民郵政票，銷天津漢英日戳。背蓋天津日戳及上海到達戳。少見之國共通郵郵品。上品。