Sold by Lincraft and made in China; a contemporary card of cute Mickey Mouse buttons.
See also http://www.austbuttonhistory.com/2nd-august-2021/
Leda-Beauclaire, circa 1958
According to the marketing “Permaloid” was the colouring process, “Permalon” were the boilproof buttons, and “Permalite” were fashion buttons. I doubt there was any real difference.
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