I sewed up a handkerchief from a piece of cotton remnant... it seemed the right weight and weave for one. And then I added some embroidery to enter it into The Dreamstress's Historical Sew Fortnightly. It's all handsewn; it was pretty much my "take on a train" project.
Before washing, with the drawn lines still visible:
After a wash:
The pattern was really just improvised as I went... so it's slightly wobbly, but I'm quite happy with it in the end.