The happiest stamp happy country I have been to is the Lao PDR. The visa is a work of art, contructed from about eight separate red and blue stamps, neatly arranged and a huge flourish of a signature. The entry stamp is then three separate stamps, and the exit stamp requires two stamps - plus a Used stamp on the visa.

What do South Africa and Botswana do? And, whatever it is, does South Africa do it on every entry and exit? I am travelling around Southern Africa in Apetember and October on a UK passport and I may have to count pages...