19th century antique ecru silk lace flounce, wide lace edging, French or Belgian?

1800s vintage wide lace flounce... we believe this is silk, probably French or Belgian, but aside from that, we can''t tell you much about it! We don't find a lot of fine lace fabrics here in the rural midwest, and lace types are not my specialty.

The color is very even and deep, almost a golden brown shade. It's very fine and light, but does not seem to be at all brittle or shredding. It's 8" deep, with a chain pattern at the top edge, not cut. Original scalloped hem is worn but complete, also uncut.

There's two lengths in this lot, one is 1 yard long, one is 1 1/2 yards sewn into a loop. The pattern looks like embroidery on a very fine net, fine cord threads around the outside edges of the flowers etc. and forming the stems.