Autograph note signed to Sir <Morton?> [?],

Thomas Spring-Rice, 1st Baron Mounteagle of Brandon in Kerry
Publication details: 
18 January [no year], Mansfield Street.
SKU: 1533

Politician (1790-1866). One page, 12mo, on mourning paper. "My dear Sir / As the writer of the enclosed refers to you I hope you will excuse me for giving you the trouble of reading his letters with a view of knowing your opinion of his <?> & character". Signed "Mounteagle". Discoloured and with much of mount still attached to verso.?>