Vintage set of pillowcases

Vintage set of pillowcases 1.Set of two matching pillowcases with floral design.One appears to have been used/ slight discoloration. The other pillowcase appears to be unused. 2.Vintage single pillowcasewith embroidered birds and purole flowers.BLue knitted rdge.The pillowcase is discolored.Perhaps someone with more knowledge of care for these fabrics can brighten it up.There are a couple of stains.See photos for examples. Both pillowcase designs are very pretty and they seem to be good candidates for a repurpose project as well.