Depending on your location, you must have seen vehicles on the road with number plates that does not conform with the standard number plate system. You are also right to assume that these cost more than the usual alphanumeric plates. Yes, these are personalised number plates, which mean people customize them to their needs. These needs include recognition, as in business, for prestige to certain family, group or organization or simply just to evoke admiration from onlookers just for the fun of it. There are many many number to choose from , sometimes over thirty million different combinations of numbers and letters.