This is a stamp of British India, postmarked at Aden Steamer Point 15 March, 1868.  The cancellation is Pratt's K.2
<p>Government of British India<br></p>
(Life time: not applicable)
1868
<p><b>Original publication</b>: 1868<br></p>
<b>Immediate source</b>: It is a scan of a stamp from my collection.