Post card from Shanhaikwan - Peking Mobile Post Office to Argentina. CIP 2c horizontal pair canceled by "Shanhaikwan - Peking Mail Car (Train) No. 2" / 山海關-至北京-第二-郵政信車.
On the back Tientsin Bilingual Dater of Apr. 3, 1908. Transit Shanghai Bilingual Dater of Apr. 7, 1908. Transit Shanghai I.J.P.O. CDS of Apr. 7, 1908.