
These are the European/Uk equivalences: (according to Malcolm Willis)
A-Stamp equivalent to 1-10 score under BVA/KC scheme (No sign of HD)
B-Stamp equivalent to 10-20 score under BVA/KC scheme (Transitional)
C-Stamp equivalent to 20-30 score under BVA/KC scheme (Mild HD)
D-Stamp is described as Moderate HD
E-Stamp is described as Severe HD