Vintage Renzo Mori 'Data' Perpetual Calendar Circa 1970s

'Data' perpetual desk calendar by Renzo Mori made in Italy circa 1970s with original box. Features mega graphic double sided off white plastic panel with black and white numerical insert and black and white removable dial. One side is 1-16 the other 17-31. Vignelli font / space age mega graphic vibes. Shows minor age appropriate wear, yellowing with original box. A scarce find. 13" sq. 1" deep. Shipping quoted @ checkout / Greenpoint pick up