Antique Firebox Coal Wood Grate Holder Antique Cast Iron Fireplace Insert. We are pleased to offer this Vintage Cast Iron Fireplace Insert Grate. This is a nice, vintage fireplace insert that is in good condition. Long x 9 1/2 in. The item "Antique Firebox Coal Wood Grate Holder Antique Cast Iron Fireplace Insert" is in sale since Wednesday, December 23, 2020.This item is in the category "Antiques\Architectural & Garden\Fireplaces, Mantels & Fireplace Accessories". The seller is "rosenjerom" and is located in Chambersburg, Pennsylvania. This item can be shipped to United States.