Today’s PSA: do not spend money on licenses for public domain art.

It is indeed quite often a scam.

Here:
The Met Collection: https://t.co/8PjzVFzSPt
Smithsonian Open Access: https://t.co/M5gALCmPVL
Library of Congress: https://t.co/7copFzc3YM
More sites. https://t.co/KRj5cZIgLO

— Ogiel (Moe Lane) (@Ogiel23) November 14, 2025

Look for the Creative Commons Zero (CC0) label when using these sources. That allows commercial as well as noncommercial use. Just make sure to attribute, since you’re technically working off of the photos of the artwork, not the artwork itself!

Enjoy.