From today's wikipedia trip: a 1920 ad for work clothing that mentions that they are made by unionized workers.
https://en.wikipedia.org/wiki/File:Railway_workers_in_1920_overalls_advertisement.jpg
(sorry, I don't have the energy right now to copy the rest of the text, it's mostly what one would expect, but if somebody can write a complete image description I'd be grateful)
reshared this
Elena ``of Valhalla''
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