Imprinted stamp of Prussia, 1 SilberGroschen, cancelled at  DANZIG in 1864. Pre-stamped envelope fragment Post-couvert.
<a href="//commons.wikimedia.org/wiki/User:Jacquesverlaeken" title="User:Jacquesverlaeken">Jacquesverlaeken</a>
1864
<span class="int-own-work" lang="en">Own work</span>