How to extract installer from locally installed snap?

I need to use Authy 2.2.3. Authy has removed this version from

snap-id: H8ZpNgIoPyvmkgxOWw5MSzsXK1wRZiHn
  latest/stable:    2.3.0 2023-04-18 (19) 73MB -
  latest/candidate: ↑                          
  latest/beta:      ↑                          
  latest/edge:      ↑

so how can one extract an installer to share with others who need authy 2.2.3 from a machine with that version installed?

If it’s in your machine, try snap revert authy this, will take back to the previous version, mention the particular revision to go back to that

But I want to be able to provide the installer to others.

Can you explain further, what you exactly want to do?