Greece: Postage and revenue stamp for additional social/charity tax (1917), overpirnt on 1913 occupation revenue stamp (20 lepta on 20 lepta). The specific stamp on this image was used postally in 1918, after the KP stamps were officially withdrawn.
Unknown author<span style="display: none;">Unknown author</span>
<span lang="en" dir="ltr">Original text: <i><bdi lang="">own collection</bdi></i></span>