Rear fender bracket question
 

The question I have is about the rear fender brackets on coupes/roadsters/pickups. Are the same brackets used on 29, 30 and 31 model A coupes/roadsters/pickups? I need a pair of 29 brackets and need to know if there is a difference so at swap meets, if I find a bracket, I don't get brackets I can't use. If someone knows if they are the same or different, please post a response. Bratton's catalog shows the same bracket used on 29's, 30's and 31's. Of course, many repro brackets aren't all that great at fitting. I am looking for a pair of good original brackets. I tried Bert's and they don't have any presently.
Rusty Nelson