Lingerie Lace with Original Sales Label

I have acquired a small collection of French lingerie lace from the 1920's possibly early 30's that was found all together in an old box that was originally from (what I assume) was the original atelier.

A fine netted ground with the design embroidered in a fine silk.  The tone is a blush rose pink mixed with a little café au lait.

This particular piece is a deep shallow edging.