Coppo di Marcovaldo ( c. 1225 - c. 1276 ) was a Florentine painter active in the middle of the thirteenth century , whose fusion of both the Italian and Byzantine styles had great influence on generations of Italian artists .
Coppo di Marcovaldo , ( c. 1225 - c. 1276 ) , was an artist who was born in Florence and worked in that part of Italy in the Late Medieval period .