Push-Button Transmission Wanted

My 64 A-body decided to puke the fluid and my mechanic says that it needs a seal and a good rebuild. If it is cheaper to replace the car's transmission (64 Barracuda, Slant 6/push-button), that would be an option to pursue. I looked on Car-Part.com and even got a few responses from the yards, but only Mopar people would know the difference between push-button vs normal shifters, and there is no guarantee that these yards speak "Mopar".

If anyone on this list has an extra push-button transmission for a Slant 6, 1964 A-body lying around that would fit my Barracuda without a rebuild, and is interested in clearing out the garage, please contact me ASAP.

Thanks, Larry in Ohio.