This large item measures approximately 26-1/2" x 16-1/2" and there are no visible makers marks. This heavy cast iron piece weighs in at approximately 19lbs. Pieces this large are usually in short supply.Please see photographs for details. The item "Large Antique Ornate Cast Iron Heat Grate Vintage Ornate Heat / Furnace Vent" is in sale since Tuesday, September 26, 2017. This item is in the category "Antiques\Architectural & Garden\Hardware\Heating Grates & Vents". The seller is "carbonara67" and is located in San Jose, California. This item can be shipped to United States.