Cavallini & Co's set of 12 glittery vintage valentine postcards can be mailed using a postcard stamp. The set features 6 different vintage image collages from the Cavallini archives. See 3rd and 4th pics for designs. Set comes in a storage tin and contains two each of each design. Printed on Cavallini's classic cream paper stock. Tin size is 4.25 by 6.25 inches. Postcards size is 3.75 by 5.5 inches. Sealed in plastic. Offers welcome