This is a charming cream/off-white stoneware dish with a "Wall's Ice Cream since 1922" logo on one side.
One the other is says "Mother knows when she plans her meals, how Wall's Vanilla brick appeals!" with a retro pic of a boy and a girl
With a little print of "take home some Wall's ice cream" inside (as pictured).
Size circa 8.5cm high, diameter circa 7cm at base, diameter at rim circa 14cm.