Erte 2012 Mini Wall Calendar. One of the most renowned painters from the 20th century, this stunning 2012 compact square wall calendar features 12 stunning paintings produced by Erte to take is collectors and admirers through 2012. Although compact in size, this mini wall calendar still packs its weight with the large format version and features a full sized calendar grid with ample room for your own dates and appointments alongside the pre-printed national holiday information.