Not yet. Was tweeted to OfficialNUFC though so expect it to be in the club shop soon.
Tis true!
http://www.toffs.com/Newcastle_France-Le-Toon-Retro-Football-Shirt/productinfo/1536/?utm_source=Communicator&utm_medium=Email&utm_content=Untitled13&utm_campaign=Le+Toon+shirts+now+available!