Need Help To DI This Knife.

[OldYooper]

I cannot read the Pat. Nos. I know there is nick name for this knife as I have them before
I just can't remember the name. All help and comments are welcome. Thank for Looking OldYooper/Edgar

 

[Frailer]

They are known as “trick knives.”

 

[s&wchad]

Based on the shield, it was made by Imperial Knife Company.

 

[sceva]

Trick knife, magic knife. they go by several names.

 

[old bear]

Trick knives, why please

 

[BillyKframe]

I think the trick was that the knife would not open except for the owner.

 

[Frailer]

Trick knives, why please

An Enigma from Cutlery's Past; The Trick Knife - Knife Thoughts

Some knives boast innovations that add to the practicality, others showcase special features that add to the aesthetic, and then there’s the Imperial Trick Knife. The Trick Knife is a single bladed non locking folding knife that was made with a rather unique feature. Within the blade well a...

knifethoughts.com

 

[OldYooper]

An Enigma from Cutlery's Past; The Trick Knife - Knife Thoughts

Some knives boast innovations that add to the practicality, others showcase special features that add to the aesthetic, and then there’s the Imperial Trick Knife. The Trick Knife is a single bladed non locking folding knife that was made with a rather unique feature. Within the blade well a...

knifethoughts.com

Great Sight, Thank You, Book Marked it.