Vintage Estia Gourmet 18-8 Stainless Pan ? /Insert ? /Serving Dish With Handles

Hi

I Am Not Really Sure What This Is A Pan Or A Insert To A Pan Or A Serving Dish

The Bottom Is Stamped Estia Gourmet 18-8 Stainless Korea 10 1/4" Inch

Shows Wear And Needs To Be Polished

Any Questions Just Ask Thanks For Looking