Card from Sammy Gorin LLC.

Dwight Schrute Birthday Card, Age is Just a Number Original artwork by Sammy Gorin. Size: A2 folded card (5.5” x 4.25”). Paper: Matte, heavy cardstock; acid- and lignin-free. Inside: Blank. Includes 1 white envelope. Packaged in a recyclable cellophane sleeve.
Made in the United States