cartonnage coffin fragment (cartonnage (coffin?))

Four pieces of cartonnage, all roughly flat apart from the largest which has a convex curve. All are painted in red, yellow, black, green and blue. The largest piece (1) shows a large black curve, a head of a falcon/hawk and papyrus and lotus flower (it has stickers to indicate which is which). The smallest (2) has a red background and possibly shows hieroglyphs of a feather and sickle. 3 is black hieroglyphs on red background, as is 4 which shows an ibis facing to the right.