Can you identify this banjo?

[Steve Denholm]

I was given an old banjo recently that belonged to my sister in laws late husband. I would like to get it restored so that I can learn to play it but I have no information about how it should be set up etc. 

From what I have been able find out online, it is possibly a six or seven string instrument? It is beautifully made and is good condition. All the hardware is there although the saddle and nut have been replaced but rather crudely. The back of the bowl has a very attractive carved design but an area near the heel of the neck has a missing inlay I think.

I can’t see any visible makers mark but would love to find out more about this instrument. Also where I might get it repaired and set up so that it can be played.I have been watching various people playing similar banjos on YouTube and I think that as a finger style guitar player used to playing in G tuning that I could hopefully migrate over reasonably easily.

I hope that one of you can tell me more about this lovely instrument, I am guessing that it is from the early1900s?

I recently found an old instruction book in a charity bookshop which is clearly for a similar instrument. The Herbert J. Ellis Thorough School Six or Seven String Banjo. It is remarkably detailed and has a fold out illustration of a seven string banjo neck showing all of the notes! 

Thanks