d P (HG SR6) on reverse (three across join) and completed with an all different selection of rates, two ex the same correspondence sent care of forwarding agents in Calcutta with similar type (HG SR8); good to fine strikes
t g e/Ship D o"
Post lot text
Note: Type HG SR6 was replaced during 1816-19 by the "King's Post" handstamp HG SR7. When the "King's Postage" Act was abolished, a new stamp, HG SR8 was made and used in 1820-21