3 Great Antique cast iron Round Register, 2 with embossed lettering and dates. 1 has a domed center piece and 1891 patent date. The darker (once white) is very ornate in the center and has a slider closure.All are in excellent shape with no breaks etc. All 3 measure 15 1/2 round Dia. , Questions are welcome, thank you. The item "3 ANTIQUE VINTAGE ROUND ORNATE FLOOR GRATE REGISTER VENTS 15 and 1/2 dia" is in sale since Thursday, December 08, 2016. This item is in the category "Antiques\Architectural & Garden\Hardware\Heating Grates & Vents". The seller is "aliceaparsons" and is located in Kalona, Iowa. This item can be shipped to United States.