These photos are of fake plates made in China. Originally sold by one dealer with 5 identities – watch_collector_2418, rose743300, success_lucky, *a*a*a*a*a* and eee19700624.
They are no more than cheap souvenirs and can be seen on donkey carts, bicycles, etc on the streets of China but they are not genuine plates from any sort of vehicle.
This batch is supposed to be racing motorcycle plates for use on rallies. The red writing on the right does read ‘competition’ and there are several versions and many, many copies of each number. The writing on the left can be various legends: see photo 42 for translations.
These are just some of the many different serial numbers he sells and there are many of each number.