Antique Dining Set

Bought at an auction in Western Canada - Early American 1900's? oak heavily carved pieces.  There was a terrific tea wagon that matched the set but it was auctioned seperate and I missed out in getting it.

The table has two extension which slide out and spring up.  The pieces are in great shape but no markings that I can see.

The butlers and china cabinet have burled walnut lament.

The chairs that came with the set do not belong as originals but I have listed them seperately on here.

I am looking for information on when and where this was made and a value for insurance purposes.

Thanks

Fair