Grandfather's Imperial Knife Question
Grandfather's Imperial Knife Question
I have a small Imperial pocketknife that was being used as a watch fob. It appears to be sterling, whether plated or solid I do not know. On the blade is "IMPERIAL PROV R.I. USA with a Crown", which I believe by the dating chart is 1936-1952. My real question on the loop of the knife looks to have "RSTER" imprinted on it. Any ideas as to what that means?
- tongueriver
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Re: Grandfather's Imperial Knife Question
Some images would really be helpful. Although the word "sterling" can sometimes be worn off, it always was stamped into sterling silver pieces. The crown dates you give suggest sterling or plated silver would be more unlikely on that knife. More likely stainless steel shell construction, with a thin sheet of celluloid which is long gone over the top. ?????
- OLDE CUTLER
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Re: Grandfather's Imperial Knife Question
There is no such thing as "plated sterling". If it is stamped sterling, then that is what it is. Some pictures would be very helpful.
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Re: Grandfather's Imperial Knife Question
Pictures of the knife, blades closed and blades open plus an in focus enlarged picture of the letters on the loop would all help to get your question answered.
I have seen these loops marked "GF" for gold filled or "12K" for 12 karat gold but i have not seen "RSTER" but it does suggest "Sterling" meaning pure silver.
Up until 1937 Imperial made pocket knives of quality similar to other USA cutlery manufacturers of the time, i.e. very good quality.
In 1937 Imperial patented a way to make the handles much more cheaply and most of their production switched over to this "shell handle" type of handle construction. They did continue to make small 'Gent's style' pen knives with solid metal handles, usually stainless steel, but they may well have made some with sterling silver handles.
However without good pictures nothing definite can be said. Experienced collectors can 'read the knife' rather than just the markings.
kj
I have seen these loops marked "GF" for gold filled or "12K" for 12 karat gold but i have not seen "RSTER" but it does suggest "Sterling" meaning pure silver.
Up until 1937 Imperial made pocket knives of quality similar to other USA cutlery manufacturers of the time, i.e. very good quality.
In 1937 Imperial patented a way to make the handles much more cheaply and most of their production switched over to this "shell handle" type of handle construction. They did continue to make small 'Gent's style' pen knives with solid metal handles, usually stainless steel, but they may well have made some with sterling silver handles.
However without good pictures nothing definite can be said. Experienced collectors can 'read the knife' rather than just the markings.
kj
Re: Grandfather's Imperial Knife Question
Will take some pictures and figure out how to post them here a bit later. Thank you for the responses so far.
Re: Grandfather's Imperial Knife Question
download/file.php?mode=view&id=515592&s ... 6638d6118b
He carried this knife every day attached to his Longines pocket watch.
He carried this knife every day attached to his Longines pocket watch.
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Re: Grandfather's Imperial Knife Question
It looks like the handle has a thin covering of another metal that has largely worn off. The handles could be silver plated nickel. They are not sterling silver.
I don't know what the marking on the 'loop' is referring to.
Note, i know very little about various metals. Would be helpful for someone knowledgeable to post and either confirm or correct what i have said.
kj
I don't know what the marking on the 'loop' is referring to.
Note, i know very little about various metals. Would be helpful for someone knowledgeable to post and either confirm or correct what i have said.
kj
- tongueriver
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Re: Grandfather's Imperial Knife Question
The Schrade CutCo and Schrade Walden catalogs show similar knives, usually in what we call 'nickel silver.' I have also seen them in something they called 'gun metal,' aluminum and stainless steel. Whenever sterling (92.5% silver) was used by anyone, it was usually embellished with some sort of design as well.
- 1967redrider
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Re: Grandfather's Imperial Knife Question
Nice full blades, I'd clean it up and carry it thinking about my grandfather as I did so. I have a pocket knife from each of my grandfathers and one from a great-grandfather. I don't carry them but do cherish them.
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You're going to look awfully silly with that knife sticking out of your @#$. -Clint Eastwood, High Plains Drifter
You're going to look awfully silly with that knife sticking out of your @#$. -Clint Eastwood, High Plains Drifter
Re: Grandfather's Imperial Knife Question
Thanks for the information, gentlemen. Will put some oil on it and clean it the best that I can with no abrasives. I will not carry it, it is still attached to a watch chain.
- Papa Bones
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Re: Grandfather's Imperial Knife Question
Nice looking knife. I would try getting some mothers and a soft cloth. It looks like heavily tarnished stainless to me. Even Stainless Steel depending on the mix will tarnish different ways. I also wonder if the knife could have been made in Germany and the Stamp on the bail is some sort of abbreviation for the German word "Rostfrei" The stamp could actually be "RSTFRI"
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I May Grow Older, But I refuse to Grow Up!!
I'll sharpen it for you, but I don't give out band-aids!!
Smitty
Re: Grandfather's Imperial Knife Question
Do not see any "Germany" stamps on it, just the "IMPERIAL PROV R.I. USA with a Crown". The knife was being used as a fob on his pocket watch chain. He bought the watch in 1947 IIRC.Papa Bones wrote: ↑Sat Apr 17, 2021 10:16 pmNice looking knife. I would try getting some mothers and a soft cloth. It looks like heavily tarnished stainless to me. Even Stainless Steel depending on the mix will tarnish different ways. I also wonder if the knife could have been made in Germany and the Stamp on the bail is some sort of abbreviation for the German word "Rostfrei" The stamp could actually be "RSTFRI"