Multi-color Traveler's Souvenir!  Authentic "Hand made in Australia by Aussie Homecraft" back label ~ Sydney Tourism Artwork signed "Carlie" in 2 places.  Measures approx. 7" somewhat scalloped square designed by 1/4" thickness w/center hole slot for wine bottle + 4 corner openings for wine glass stems insertion display. 

Appears wood backed ~ thicker glaze glossed top protective coating?