The phrase "an official example" is correct and usable in written English.
It can be used when referring to a specific instance or illustration that is recognized or sanctioned by an authority or organization.
Example: "The report included an official example of how the new policy would be implemented in schools."
Alternatives: "a formal example" or "a sanctioned example".
I was provided with information that an official 27 examples remain in this part of the world, hence making the Black Series a very unique and limited car.
The new power to issue an official warning, for example, will allow us to warn trustees that we are monitoring their compliance with the law in situations where more forceful intervention would not be appropriate.
For example, an official order prohibits meetings to criticize Government policy - indoor or outdoor meetings.
It has, for example, an official car (Chevrolet), credit card (MasterCard), soft drink (Pepsi) and cap (New Era).
But if the reader ends up feeling burned — if, for example, an "official" proves to be an intern — the trust won't be there the next time.
In 1963, for example, an official in Malta asked London for advice about which files should be "spirited away out of the country", and warned that while some documents could be handed over to the new government: "There may again be others which could be given to them if they were doctored first; and there may be files which cannot be given to them under any circumstances".
But while in the grand scheme of things it was a more minor glitch that was fairly quickly corrected through a rollback to an older certificate, it also brought to light the fact that Apple doesn't have a way to publicly speak to the Mac App developer community or their customers at this time, like through an official Twitter account, for example.
He was in demand as a race official, for example, as a umpire or timekeeper, though he did little coaching.
If I were a British official, for example, I would be pondering Mr Almunia's words, and thinking about the fate of the City of London.
