RADOM VIS wz35 P35 Mod35 SHOULDER STOCK : Other Pistol Accessories & Parts at GunBroker.com
The above link will take yo to a recent offering on Gunbroker.com.
It is an alleged Radom VIS shoulder stock. It does not claim to be original but for the Radom VIS.
What are your impressions of this most elusive of Polish forearm accessories??