‘Two Children Picking Flowers’ [pre 1861] by Louisa Beresford, Lady Waterford, watercolour, 8ins x 5.5ins.
Link to the Artworks of Louisa Anne, Marchioness of Waterford [courtesy of Wikipedia]
Louisa Beresford, Marchioness of Waterford, Lady Waterford
The Unfathomable Artist 