
CodexExplore itCreative & web experiences · Art & culture
Click through a collector sheet of 12 stamps that each open a short story of American memory
Postmark 250
Web ·
by Adam
A digital stamp sheet where each stamp opens a memory card about things like Juneteenth, Wardenclyffe, the radio, or Fourth-inning fireworks, with generated stamp art. It reads like a small museum kiosk.
Notes
GitHub Pages hosted; first-name-only maker. The same site hosts a puzzle game (Republic Room), but the linked Postmark 250 page is the archive, not a game.
ChatGPTCodex
Source checked 2026-10-16. Descriptions summarize the maker's own account, not independent testing.
Get one surprising agent build every morning.