1587
used  2m. steel blue with a central strike of Peking c.d.s. dated 1901 (15 July), fresh and very fine. Bothe and Willmann guarantees on reverse. Mi. VIl, 4200 Dm.
used 2m. steel blue with a central strike of Peking c.d.s. dated 1901 (15 July), fresh and very fine. Bothe and Willmann guarantees on reverse. Mi. VIl, 4200 Dm.

细节
used 2m. steel blue with a central strike of Peking c.d.s. dated 1901 (15 July), fresh and very fine. Bothe and Willmann guarantees on reverse. Mi. VIl, 4200 Dm.