Identification of double barel gunpowder shotgun

[Αναστάσιος Καρακασιλιώτης]

Hello to all .
I need help with Identification of double barel gunpowder shotgun . This was a gun from grand grand father . found in a very bad condition . i would like to find some images of the gun in order to make some woodwork . The only info i have is that it was given to rural police officers

 

[Sam squanch]

Probably a Belgian or French shotgun. Maybe also it was made in Tula? I think the Russians copied French designs also?