My great-grandmother's crochet

Yesterday I received a parcel in the mail, and in it was some crochet work done by my great-grandmother. It's so fine and intricate and neat and beautiful. It was quite something just to hold it and to think of this woman, whom I never met but who is the reason I know how to crochet myself, making it with her hands.

Here are some photos. I want to frame the larger square one in the middle (the smaller square at the bottom has a stain on it towards the right, which I am going to try to remove).