Ornate knotted cord, silk and machine made lace tassel were likely used for ornamentation on Designer Wedding or other gowns.
These are hand sewn with delicate machine made lace, silk buttonhole stitched details, knots and wrapped silk cords as shown.
Applique tassels look unused.
They do display slight fray to the delicate lace.
Likely date to the 1880's or earlier.