I found mention of a company called Byron Tyler in Chicago around this time. See last photo.
That is the only clue I have for this image.
Of course it could be simply workers somewhere using Byron Tyler products.
Please examine the images carefully as the photos are our best description. We're always happy to try to answer questions about condition.
NOTE: We sometimes heavily watermark to protect our photos and the card images for the benefit of our customers.
Thanks for looking!
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