Such a pretty and comfortable nightie, looks like it’s straight out of a period drama.
It’s 100% cotton, the label is French Country and says size 14-16 and the measurements are:
Length shoulder to hem 120cm
Armpit to armpit 54cm
Armpit to cuff 35cm
It is in very good condition, I can’t see any damage but for a tiny spot that I’ve shown in the last picture, I’ve not tried to soak or bleach so I think it would probably come out with some attention but it’s really barely noticeable.