It is less than a quarter of an inch square. No damage of any kind. Unmarked Peters and Reed. One small area where the glaze did not take. Iin like new condition.
Color is photo is slightly lighter than is person.
There is a floral design with color that was possibly added later at the base of the flower bud. Possibly the original felt on the bottom. Moravian Tile from the Moravian Tile Works. This would look great set in a fireplace mantel, in a small table or just framed on a wall. These items are in very good condition.