British socialite (1861–1938) and long-time mistress to Albert Edward, who later became King Edward VII. Ink signature, “Yrs truly, Warwick,” on a light gray slip clipped from the closing of a letter. Signature is affixed to a matted photo of the Countess and framed to an overall size of 7 x 9. In fine condition, with a few spots of light toning. For more detailed biographical information on Greville please click here. RR Auction COA.