Thanks to the courage of Portugal, to allow Wellesley, a tiny finger grip on the Iberian Penisular, giving chase to Napoleon.
The Red date stamp, is from the Chief Office in Lombard Street,
Identified by the use of the "Month before the Day" in the Oval.
EV = Evening
The "TwoPyPoft" (Two Penny Post, Unpaid) is the oval strike of the receiving office, Lombard Street in the "Town Area" London.
Assessed as having a £6 quotient in 1984, when "pricing a cover"
Whitney Type 24 Two Py Post from 1801. Page 9.