De Luxe Model Type VI is on pics.
No idea, when and how grade system has changed, but according to my catalog from 30-th from Belgium it's type VI.
The grading system was the following:
Standard Model
De Luxe Model Type I - deep ornamental scroll engraving
De Luxe Model Type II - deep ornamental scroll & leaf engraving
De Luxe Model Type III - deep scroll & leaf engraving Louis XV style
De Luxe Model Type IV - very beautifully engraved with Hunting scenes (birds and dogs)
De Luxe Model Type V - very beautifully and fine engraved with Hunting scenes (boar and hound dogs, birds)
De Luxe Model Type VI - very beautifully inlaid with real Gold
