Red Mini Acrylic perpetual calendar with slide date window. MoMA logo & China Center on front. 2009 Museum of Modern Art. It measures approx. 5.5 x 2.75 x 1" & weighs approx. 9 oz. NOS- New Old Stock. #77743 Red Calendar. Brand new in the original box. Taken out of the box for photo. Never used. Would make a great gift.