I trying to find some information about a liquer bottle by Benedictine in Fe Camp, France, can you help me?

I have a friend with a small vintage bottle of this liquoer and we are trying to find out if it is of any value.
Maybe it can be found in a speciality liquor store or something.
The bottle is at least 50 years old.
The bottle states on the label, Dom Benedictine 86 Proof 23/32 pint.

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About the cityThe crowd is attracted to gleam ski slopes of the Alps, sunlit vineyards and sun-baked beaches of this stunning country. France is a country, which draws more tourists than any other country. It is easy to see why this is the basis of France’s great reputation for bright wines, good food, high vogue [...]