The phrase "a very old one" is correct and usable in written English.
It can be used to refer to something that has existed for a long time, often in a context where age is relevant to the discussion.
Example: "This artifact is a very old one, dating back to the early centuries of civilization."
Alternatives: "an ancient one" or "a long-standing one".
That work continued through Tuesday and has revealed that the beam gets thicker as it goes down, that it was hewed from a tree trunk, that it is at least 20 feet long and that it may well be the bowsprit of a ship — and a very old one at that, based on the 20 feet of compacted sediment it is sitting in.
The idea is a very old one.
The history of IP is a very old one and it begins 500 years BC.
Enough remains, however, to show that the group is a very old one indeed.
Van Reybrouck's remedy is not new, but a very old one: what's called sortition.
In fact, the idea of a Macedonian spillage into Anatolia was a very old one indeed, and a natural one.
A very simple, and very old, one star property adjacent to an expansive parking lot in what can only be described as an exceedingly expensive piece of Las Vegas earth with a terrifically inexpensive property sitting on top of it.
McG The very old one is to help you to enjoy life or to endure it.
And one boy said, "My favorite opera is that very old one you sing, Purcell's 'Dido and Aeneas.' " When that can happen, you know there is a god.
Help could come from the brand-new technology of microbicides, but it could also come from the very old one of circumcision, which may offer some protection from H.I.V. infection.
The aim of the study was to compare the outcome of the geriatric patients (≥ 65 years of age; Group 1) with young ones (< 65 years of age; Group 2), and to compare the outcome of the elderly patients (65 74 years of age; Group A) with the very old ones (≥ 75 years of age; Group B) in the intensive care unit (ICU).
