4C Gemstone playing cards for De Beers

4C Gemstone playing cards designed by Brink Jog Promoção e Merchandising for De Beers, 1988. 4C refers to the standards for quality in gemstones:- colour, cut, clarity & carats.

4C Gemstone playing cards for De Beers, 1988

Above: 4C Gemstone playing cards for De Beers, printed by Sociedade Impressora Caxiense Ltda, 1988.

CREDITS & ACKNOWLEDGEMENTS

Thanks to José Luiz Pagliari for extra research. Scans of cards courtesy Rex Pitts.

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