This is a classic Madison trilby made by the well known quality hatter Lock & Co of London.
 
It is dark grey and made of fur felt. It is a current hat in the Lock & Co range selling for £495 and the box is around £30.
 
Box is included in the sale
 
Size 58cm
Crown height is 10cm
Brim depth is 51/2cm
Felt weight approx 160 to 180 gms
 
Please ensure that you check your head size before ordering as its your responsibility to check to ensure this will be the correct size for you. 
 
Here is a link to my YouTube channel showing the video of my refurbishment of this actual hat. https://youtu.be/fqVMrtTfGkQ
 
Thanks for looking