Zanoletti was registered with the proof house in Gardonne. Their address:
Via Monte Gugliemo 4, Gardone Val Trompia, BS 25063rd
Sometimes sold under the trade name I. A. P. Z. The registered trademark is ZAN.

Here is French site selling one for 600 Euros.
http://www.armetec.fr/docs-armes/armes-d...e-site-761.html

Pete