To distinguish the type of the plate, there is the letter ت which stands for the word تاکسی, meaning taxi in Persian put on the plate and the English word TAXI above it.
There is the letter ت. This was to distinguish the type of the plate. This letter ت stands for the word تاکسی. This letter ت was meaning taxi in Persian. This Persian was put on the plate above it. This Persian was put on the English word TAXI above it.