I have the following MT1 and MT2 drills. All are older USA made.
MT1 1/4
MT1 5/16 (2)
MT1 3/8
MT1 13/32
MT1 27/64 (6)
MT2 1/4
MT2 31/64
MT2 9/16 (2)
MT2 21/32
MT2 47/64
I put a price on these of $20/piece for MT1 and $30/piece for MT2 but I would really rather trade to complete my set. Here...