Portrait of a lady, half-length, in a brown dress, holding a book

Italian School, 18th Century Portrait of a lady, half-length, in a brown dress, holding a book with inscription '[...]'[...]NATA...DA.S...GUARINONI.DI.HOFFPERG.&.E.TERESA.VALENTINA. ALES-/SAN[] DA NEUSTEIN. CO: PALATI.SPOSATA L.28 NOV.{74{ . A.GIO:PIETRO.DE.RO[]SI.DOT [...] VEDOVA.' (lower edge), inscribed with coat-of-arms (upper right) oil on canvas, in a partially painted oval 33½ x 24 in. (85 x 61 cm.)