A new stamp is coming out for the 50Th anniversary of D&D !!!! Here's a link about it....
U.S. Postal Service Reveals Additional Stamps for 2024 - Newsroom - About.usps.com
WASHINGTON, DC — Today, the U.S. Postal Service announced four new stamp subjects for 2024. This group, along with the stamps announced in October, make up only a partial list, with more to be revealed in the weeks and months ahead. All stamp designs are preliminary and subject to change.
about.usps.com