A friend of mine has linked me a font style that I am having a horrible time finding! I've looked everywhere and even reverse google searched it, with no results. Any help would be great thanks! (my apologies for the image size if it is too large)

Empress Monograms  Suggérée par pilaster 

I think it may have started life as this font, but has been adapted (vectorised and modified) for machine embroidery, like this
https://www.etsy.com/uk/listing/122348330/fancy-circle-small-machine-embroidery?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=Monogram%20fonts&ref=sr_gallery_18