This Belgian tile was produced by "Manufactures Ceramique d'Hemixem, Gilliat Freres" in the beginning of the 20th C. It can called an Art Deco or an Art Nouveau tile.
Size: 15.2 x 15.2 x 1.0 cm.
Condition : Good. No cracks, one nibble, very good crackled glaze, one or two glaze "pits".
The back shows the letter "H"( see picture)