Passing afterwards, in returning to Rome, through Assisi, not only in order to see those buildings and those notable works made there by his master and by some of his fellow-disciples, but also to leave something there by his own hand, he painted in fresco in the lower Church of S. Francesco--namely, in the transept that is on the side of the sacristy--a Crucifixion of Jesus Christ, with men on horseback armed in various fashions, and with many varied and extravagant costumes of diverse foreign peoples. In the air he made some angels, who, poised on their wings in diverse attitudes, are in a storm of weeping; and some pressing their hands to their breasts, others wringing them, and others beating the palms, they are showing that they feel the greatest grief at the death of the Son of God; and all, from the middle backwards, or rather from the middle downwards, melt away into air. In this work, well executed in the colouring, which is fresh and vivacious and so well contrived in the junctions of the plaster that the work appears all made in one day, I have found the coat of arms of Gualtieri, Duke of Athens; but by reason of there not being either a date or other writing there, I cannot affirm that it was caused to be made by him. I say, however, that besides the firm belief of everyone that it is by the hand of Pietro, the manner could not be more like his than it is, not to mention that it may be believed, this painter having lived at the time when Duke Gualtieri was in Italy, that it was made by Pietro as well as by order of the said Duke. At least, let everyone think as he pleases, the work, as ancient, is worthy of nothing but praise, and the manner, besides the public voice, shows that it is by the hand of this man. In the Church of S. Maria at Orvieto, wherein is the most holy relic of the Corporal, the same Pietro wrought in fresco certain stories of Jesus Christ and of the Host, with much diligence; and this he did, so it is said, for Messer Benedetto, son of Messer Buonconte Monaldeschi and lord at that time, or rather tyrant, of that city. Some likewise affirm that Pietro made some sculptures, and that they were very successful, because he had genius for whatever he set himself to do, and that he made the Crucifix that is in the great Church of S. Paolo without Rome; which Crucifix, as it is said and may be believed, is the one that spoke to S. Brigida in the year 1370.