Stamp of Bolivia, 10 centavos orange issue 1878, engraved by American Bank Note Co, oval postmark of <a href="//commons.wikimedia.org/wiki/Potos%C3%AD" title="Potosí">POTOSI</a>. Michel N°19.
American Bank Note Co
1878
<span class="int-own-work" lang="en">Own work</span>