Portrait of Jorge Juan de Santacilia (1713–73), Squadron Leader of the Spanish Royal Navy

Bust facing right; undress uniform of a Spanish Navy squadron leader; insignia of a Knight of the Order of St John or of Malta.
Possibly a copy of an oil painting or drawing by José Maea (1760–1826), engraved by Edward Scriven (1775–1841) for the publication "Noticias Secretas de América" (Secret News from America), published in London by David Barry in 1826.