All About Pocket Knives

My Father passed away 3 years ago. My Mother was recently going through more of his personal things(it has been painful for her) and found a Remington HTT I guess that is hunter trapper trader. It is a really solid knife, appears very well constructed.

It is well used, but I was wondering if there was a way to find out approximately what year the knife is from?

My Father had a few knives and he used them quite often he always taught me to have a pocket knife they come in very handy. Any information on Remington's would be appreciated.

There were two HTT knives that I know of that you might have. A 3 3/4" trapper and a 5 1/4"
Bullet. the first would have HTT on shield the second you would need to know as it does not have Htt on the bullet shield could you do a picture. Both are nice property. as age I don't know exactly they are 1920 to1940. I have better information but I could not find it easily.
You could see a picture of the larger knife on this forum under articles and research Bullets
Pattern # 293