I got some more info on this plant from Sue Adams just recently. Turns out that photo of it in Olaf Gruss' book was from Sue, who corresponded with Gruss about this plant. Also, the only other specimen also came from Wyld Court in England about the same time, so the plant I got from Sue was almost certainly a division of the same plant that is also in existence. So as far as I can ascertain, these 2 divisions of Raymond Faroult are the only ones in existence, and may well have survived from before WWI. In other words, they may well be surviving remnants from the original cross which was created in France. To the best of my ability to research the subject, nobody has ever re-made the cross.