Russian China. 1916. Notification of delivery valuable parcel.

Form of notification of delivery valuable parcel to 50$, sent from Pekin to Kashgar on February 18, 1916. Parcel received on March 31, 1916. Handed on April 04, 1916. Notification sent from Kashgar to Pekin on April 04, 1916. Received in Russian post office on May 03, 1916, in the Chinese post office on May 16, 1916. Notification franked with stamp of Russian China 10 kopecks. Very rare species of postal item. Only a few of these notifications known at present time. Very rare.