Hi Carlos,
Great article and would be great for the magazine.
Here are some other scans of South Africa chips that are in the ChipGuide and you are free to use if you wish.
Thank you for your work on this.
--Alan

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AlanB's eBay
http://www.ebay.com/sch/alanb/m.html?hash=item3a775fc2df&item=251110867679&pt=LH_DefaultDomain_0&rt=nc&_trksid=p4340.l2562