Two decks are included in this box, one each with a red and blue back. My card decks are sealed so I don't know if there is copyright information although a person on Etsy selling an identical card deck claims these are circa 1970s. Not confirmed but may be a good starting point.
Elephant (555)

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Elephant (555)
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Elephant BrandEdition
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-Production Run
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PokerCourt Cards
StandardCard Stock
-Printer
unknown, ChinaArtist
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-Card Fronts
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