1952 May 10, Peking RMB $1,000 international surface printed matter cover to Birmingham, England franked with Scott 78a (horizontal pair) and 140, rough opening (2 images)

1952 May 10, Peking RMB $1,000 international surface printed matter cover to Birmingham, England franked with Scott 78a (horizontal pair) and 140, rough opening (2 images)