Harry Potter"Harry Casts a Spell" UK Christmas Card +Bonus USPS Harry Potter Postage Stamp "Harry Casts a Spell" Harry Potter Christmas Card with envelope. "Merry Christmas" is printed on card front in a golden scroll. 5 1/2" x 5 1/2" (14 cm x 14 cm) comes with plain cream-white envelope. Inside of card is blank. Hogwarts crest is printed on reverse. BONUS: Includes 1 USPS Harry Potter first class domestic postage stamp.