Stamp of Deutsche Post in China, 20 Pfennig first issue (March 1898), ultramarine, overprint at 45°. Unused Michel N°4I.
<a href="//commons.wikimedia.org/wiki/User:Jacquesverlaeken" title="User:Jacquesverlaeken">Jacquesverlaeken</a>
2014-03-16 17:36:49
<span class="int-own-work" lang="en">Own work</span>