Almost any Taurus dealer should be able to get one.
They may also be on firearms auctions sites. You can get an idea of price from there.
On Taurus itself, well.................. The search engine here will help if you put in Taurus revolver.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)