The U.S. Postal Service, in partnership with the Dragon’s Den game shop, is hosting a special unveiling event to celebrate the release of the Dungeons and Dragons stamp series. The pane of 20 Dungeons & Dragons stamps features 10 different designs that highlight characters, creatures, and encounters familiar to Dungeons & Dragons players. Stamps, artwork, and special commemoratives will be available at the event on Saturday from noon to 3 in Upper Lake. Free pictorial cancellation will be available at the Upper Lake Post Office for 30 days.