Charlotte Eden by Jeremiah Steele,
 inscribed, signed & dated 1804.

  Charlotte Eden (b. 1785) of Ackland, St. Andrew, Durham was a daughter of John Eden and Dorothea Johnson.  In 1816, she married famed botanist and mycologist Robert Kay Greville, an early leader of the British Anti-Slavery Society.  They lived, with their five children, at 33 Georges Square, Edinburgh.  
 
It is interesting to note how close this rare artist's work is to the style of Adam Buck. 

The oval miniature is signed on the backing paper "Painted by J. Steel/ 1804" and inscribed on a sheet of paper on the reverse "Mifs Charlotte Eden/ Painted by J. Steele/ 1804". The portrait is set in the original black wood frame with ormolu mount.
 
3 inches 7.9 cm) high.
 
Jeremiah Steele (c. 1780-after 1826) served as President of the Liverpool Academy.  In addition to Liverpool, Steele worked in Nottingham, Bath and London,  exhibiting at the Royal Academy from 1801-1826.  A portrait of him by fellow Liverpool Academy president, John Turmeau, was exhibited there in 1808.   A miniature by Steele is in the collection of The Victoria & Albert Museum.