Which of Michelangelo's sculptures did he sign?

"Pieta" first art piece done by Michelangelo at the age of 16. Answer 2: Michelangelo was born in 1475. Pietà was sculpted in 1495. Before that Michelangelo sculpted the reliefs Madonna of the Steps (1490-1492) and Battle of the Centaurs (1491-1492.)