Old Hickory Martinsville Indiana

I have a hutch with Old Hickory Martinsville Indiana enscribed on it. Also matching table and chairs. All have the stamp on them. Table is about 3x3 and extends to 5 with leafs that go under the table on a slide out mechanism. All are in good condition. The table needs some work on the top finish as you can see in the pics. Would like a value for the set and also tips on refinishing the table top.

 I am also looking to sell in the near future.