Stamp of Uruguay, 8 C Provisorio red overprint (issue 1909-09-13) on 10 C issue 1901, deep purple. Valid only until end of 1911. Michel N°176.
Uruguay post office  - Engraved by Waterlow, London, overprint in Uruguay (probably)
1909-09-13
<span class="int-own-work" lang="en">Own work</span>