Maître de l'Observance
The Master of the Osservanza Triptych, also known as the Osservanza Master and as the Master of Osservanza, is the name given to an Italian painter of the Sienese school active about 1430 to 1450.
The Master of the Osservanza Triptych, also known as the Osservanza Master and as the Master of Osservanza, is the name given to an Italian painter of the Sienese school active about 1430 to 1450.
