Antique Cast Iron Stove Pipe Collar Ring Chimney Flue Cover Grate Gold Ornate Maple Leaf 11. This is an antique cast iron stove pipe collar or ring. It has a maple leaf pattern on a trellis or lattice background. It originally had a gold-tone finish but some of the gold has worn off and it is rusty on the front in some places and the back is entirely rusty. It measures 11″ wide x 11″ long x 1.25 deep. The inner opening has a 5 diameter. It weighs 3 lbs. It is in good condition. It has age and patina that could be cleaned up and refinished, or preserved and appreciated just as it is. Please see the photos for specifics on the condition of this antique cover. 11″ wide x 11″ long x 1.25 deep. Inner opening: 5 diameter. All measurements are approximate. International Buyers – Please Note.