Tobacco Silks, appear to be authentic as color is woven into the silk, not stamp

Muslin cloth is 20” x 21”. Neatly basted onto the vintage muslin is 10) 5 1/2” x 4” silks, 6) 4”x3” silks and 10) 2 2/8” x. 3 1/2” silks. Colors are bright and not faded. Excellent condition for it’s age. B02