Navajo sand-painting, negative made from postcard, "All publication rights reserved. Apply to J.R. Willis, Gallup, N.M. Kodaks-Art Goods" (U.S.A.)

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Navajo sand-painting, negative made from postcard, "All publication rights reserved. Apply to J.R. Willis, Gallup, N.M. Kodaks-Art Goods" (U.S.A.). Wellcome Collection. Source: Wellcome Collection.