Only known example, courtesy of Thomas Barnard.
Here are two links to The Talking Machine Forum with discussiond on this model.
|E.M.G Mk V||Forward mounted gooseneck with Quincke tube||Paillard GGR 255||EMG 4-Spring||Ebonite-14½"x10". Length 4'6"||Built by Frank Darrieulat. H-20" W-24" D-19"||Mahogany-£27. Oak-£25||1929|