serezio:

Assassin’s Creed II - Ezio’s hidden blade & vambrace

Available at MuseumReplicas.com:

Hidden blade:

http://www.museumreplicas.com/p-1446-assassins-creed-ii-extension-knife.aspx

Vambrace:

http://www.museumreplicas.com/p-1451-ezio-vambrace.aspx