Ok excellent thanks for your help, I have seen that picture before but thought that was for the modern day brushes not the vintage plisson that's why I didn't refer to it.
Lorenzo, do you have calipers to just measure the diameter and loft? I've had some Plisson models that are a little different in some measurements versus the chart.
No unfortunately don't have calipers but you should be able to get a good idea of the size in the pictures and if anyone is interested I can also send them a video
![[Image: joJ5Cex.png]](https://i.imgur.com/joJ5Cex.png)
