(deleted) corrected to "P. Packet" to Ireland, variously rated and showing , on reverse, a good strike of the "DEMERARA" horseshoe d.s. for 28 April (Townsend Type 5, the earlist date recorded) overcancelled with London transit c.d.s. in red. Photo" /> cover 1807 (18 Apr.) entire letter per<I> "H.M.S. Helena"</I> (deleted) corrected to<I> "P. Packet"</I> to Ireland, variously rated and showing , on reverse, a good strike of the "DEMERARA" horseshoe d.s. for 28 April (Townsend Type 5, the earlist date recorded) overcancelled with London transit c.d.s. in red. Photo | Christie's