FOUR MINIATURE PAINTINGS. One, probably English, circa 1770, a portrait of a woman in a blue turban, in a carved wood frame, watercolor on ivory; one, French, circa 1780, a portrait of a man wearing armour, watercolor on ivory; one, English, circa 1780, of an amorous couple in a landscape, labelled verso "Drawn by Robert Webb father of James Webb when an apprentice 1780, ink on paper"; one, possibly English, circa 1890, a portrait of a woman in 18th century dress, watercolor on ivory - 3 1/4 x 2 1/4 in., the largest. Estimate $500-600