Imperial Classic Tile top Massive sideboard Circa 1930 D&M tiles F1394 SOLD Posted on September 12, 2016 by eric The Big Daddy of California sideboards. Circa 1930 and made by the Imperial Manufacturing Company. Solid mahogany and in pretty nice original condition. Size 33" x 70" x 42". Tiles are D&M tiles, all in really great condition.