Crucifixion of Christ. British Library Royal 15 DI.f.353. Guyart des Moulins.La Bible Historiale, part 4 (Bible Historiale of Edward IV) Netherlands, S. (Bruges)1470 and c.1479. French.
In the Christian Bible, Good Friday marks the day on which Jesus Christ was crucified on the cross for the sins of the the people of the world. Good Friday is a day of mourning and sorrow over the sacrificial death of Jesus Christ. It's also a day of gratitude for the supreme sacrifice that he made.
Missal and Book of Hours, Lombardy ca. 1385-1390 (Paris, BnF, Latin 757, fol. 79r)
Prayer Book (Use of Rome), Entombment, Walters Manuscript W.438, fol. 354vb11