ChinaChina Yunnan 1929 Reg. Cover to French Indo-China
Registered envelope to Hanoi, bearing Yunnan Province 7c SG9 violet and 13c SG12 yellow-brown cancelled by rural Yunnan District Accountant datestamp on reverse in violet, stamps tied by HOKOW CDS with matching Registered Label and Hanoi receiver. Scarce commercial mail. (pt)
