Inscribed: In the Duomo - a figure / of David incised on the pa... / Goliath on the other side - in / the middle a circle with / David holding a book of / music and minstrels standing round him.
Below the Altar area on the floor is a circle containing David playing an instrument attended by minstrels, to the left is the young David with a sling and to the right is Goliath about to be struck by the stone.