Plauen lace curtain design

I found this lovely design for a lace curtain in a folder of Plauen lace designs, it isn’t dated but they are probably from the early twentieth century. I blogged about Plauen lace a couple of weeks ago when I was researching lace collars. It is generally considered one of the chemical laces in which the design is embroidered on to a backing material using a Schiffli machine and once it’s completed the backing is burnt away chemically leaving the embroidery. This one seems to be quite an open design though so must have been embroidered on to net or a fine backing. I can’t find any Plauen lace curtains in any of my old lace sales catalogues but combination guipure curtains are being sold in 1904 for 17 shillings for a pair measuring 4 yards in length and 72 inches wide.