Vintage New (nos) Ceramic tile Monarch Tile Co  (MTF)  4 1/4" x 4 1/4"  A Vintage Looking Color White in a Gloss finish. Mfg Color # 110. Inspected and clean , 5/16" thick. These are an not a Bright White color. In the last 2 pictures using an american olean sample chart they are a slight shade (brighter) then polar white (not included with sale). Thanks for your interest , message me with any Questions.