"Eendragt maakt magt" is actually Afrikaans, the variant of Dutch spoken by the Boer people of South Africa. Over the 400 years since Dutch settlers first landed in South Africa, their language and the language of their European homeland drifted further apart, until now they are pretty much mutually unintelligible. There was a Dutch fellow and a South African fellow in my class at university; when they spoke their respective languages, they couldn't understand each other unless they spoke very slowly and carefully.
Spelling has slowly changed over time, for both languages. The more modern Afrikaans spelling of the same motto can be seen on more modern coins of Apartheid-era South Africa, such as
this 50 cents.
The same motto, with almost exactly the same spelling as on the old South African coin, can be seen on some Belgian coins (although the language in ths case is actually "Flemish", another slight variation on the Dutch language):
Here's one.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis