Definitive stamp of 10 lepta of Cretan State (1900 issue) cancelled with rural diamond postmark "58" (Rethimnon).
Cretan State Post Office
eBay auction item #293497537485 <a rel="nofollow" class="external autonumber" href="https://www.ebay.com/itm/Stamp-1900-Crete-Greece-10-lepta-red-King-numeral-58-Rethimnos-diamond-postmark/293497537485">[1]</a>