antique & vintage lamp table mats, knotted thread lace, hooked silky floss

Lot of vintage lamp table mats, most cotton and cotton / rayon knotted thread, one hooked of imitation silk (also rayon, we think?) floss. One of the knot work mats has the original label, marked Japan.

Sizes range from 5 1/2" x 6 1/2" to 11" diameter round. These look very good, though some have a little browning from storage.