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EnviroTO
Guest
I like CDN better
CAD is the ISO-4217 currency code. CAN and CA are the valid ISO-3166 country codes. CDN is a licence plate code (like the ones you see on oval stickers in europe) which actually stood for "Canadian DominioN" when it was introduced in 1956.
Of course this isn't really Trump Tower Toronto related trivia but basically the Trump ad did get it correct (although usually adding CAD to the end should be combined with a removal of the "$" at the front because it is redundant).