Saint Peter Martyr Altarpiece
Lazzari ( 1724 ) and Ricci ( 1834 , on Bartoli's earliest testimony ) also mention a second altarpiece by the artist in the same church , also dating to 1476 , now known as the "Saint Peter Martyr Altarpiece"' . 
<triplet> Saint Peter Martyr Altarpiece <subj> 1476 <obj> inception