Harry Potter Hedwig Folding Wing Thank You Card & USPS Postage Stamp Harry Potter Hedwig the owl die-cut thank you note writing kit. Hedwig's wing opens to reveal the thank you message inside the card. 3-Piece Set: 1 card, 1 envelope and 1 USPS Harry Potter one ounce forever stamp. Send a thank you message using Owl Post with Hedwig! Out of production since 2002. Limited quantities available.