Hello, Bob,
The TA0xx and TB0xx are key numbers for the locks I believe.
The A and B are different key profiles.
Seems like the handles are from different era cars. The ones with parallel 'jaws' (at the inner end of the push button) are later (my 280 has them). The one with the jaws at an angle is earlier (had them on my 230). These operate with the key to actually lock the car.
Any help?
naj