[Arthur Wellesley, 1st Duke of Wellington.] Autograph Note, initialed 'W', to his groom 'Henry', instructing him to 'send off the Old Northampton Mare; and Young Copenhagen'.

1p., 12mo. Very good, on lightly-aged paper. Reads: Walmer Castle | Septr. 8 1839 | Henry | I beg that on receipt of this you will send off the Old Northampton Mare; and Young Copenhagen or any other that is in condition to travel & send as according to the Note, on the other side

&c W | Let them have Knee Caps'. 'Young Copenhagen' was named after Wellington's celebrated stallion Copenhagen (1808-1836), on whom he rode at the Battle of Waterloo.