Is it something like this what you're looking for ?
This is my V42 dagger replica, and it is for sale.
I mailed the John Ek company about this model and they confirmed that it was made for them by the Sheffield based company of H.G. Long Co. in 1990.
Specs:
Overall length: 31,8 cm
Blade length: 18,0 cm
Cutting edges: 15,0 cm
Blade width: 13,0 cm (ricasso)
Blade thickness: 4,0 mm
Steel: Black coated spring steel
Hardness: 57-58 HRC
Handle: Leather and brass washers
Guard width: 7,0 cm
Guard thickness: 4,0 mm
Blackened Steel Skullcrusher