cover 1900 (19 July) Second Tsingtau Provisional, the very rare "5pf." on 10pf. doubled surcharge variety, affixed to original postcard and cancelled "TSINGTAU" c.d.s. (28.7.1900); some minor peripheral gum toning, and the card is slightly soiled. A great rarity. M. 2I, DM. 70,000. Photo in colour