Harry Potter 'Lightning Bolt Scar & Glasses' Blank Card, Envelope & USPS Harry Potter Stamp "Scars can come in useful," Albus Dumbledore. Here's a useful card for sharing some news with your favorite Harry Potter fan! Harry Potter's lightning bolt scar and glasses illustration on bright green front cover. Single 5" x 7" card and white envelope plus USPS Harry Potter postage stamp. Great for birthday, graduation, thank you, missing you, get-well-soon, and many other messages. Will include one USPS Harry Potter first class one ounce forever stamp when purchased from Hogsmeade Station Gift Shop.