Portrait painting by Rosalba Carriera, LeadArt oil painting just do reproduction of them in museum quality on linen canvas:

Rosalba Carriera (October 7, 1675 – April 15, 1757) was a Venetian Rococo painter. In her younger years, she specialized in portrait miniatures. She later became known for her pastel work, a medium appealing to Rococo styles for its soft edges and flattering surfaces.
Carriera herself was not a beautiful woman; her self-portraits depict a homely face with a large and unshapely nose. She was known, however, for the sweetness of her disposition and the neatness and propriety of her dress, but she was also prone to sadness and depression, attributed by some to the fact that she never married. In Prideaux Place, Padstow, Cornwall, there is a charming portrait by Carriera of Humphrey Prideaux, the archetypal gentry son pictured on his "Grand Tour," in which a love-letter from Carriera to the sitter is reputed to have been hidden behind the frame. She had many male friends and admirers of her talent, but none of them wanted to marry her.
The last years of Carriera's long life were tragic, as her sight, which might have been damaged by miniature-painting in her youth, deserted her completely, and she went blind. She endured two unsuccessful cataract operations. She outlived all her family, spending her last years in a little house in the Dorsoduro sector of Venice where she died.