Come on folks how many times must the same non issue be beat to death?? Go to other reloading web sites. Call St Marks powder.
Call Hodgdon and get the answer from them if you do not believe these threads.
H110 and W296 are the same
HP 38 and W 231 are the same.
Sure powder lots vary so you can say my jar of HP 38 is different than your jar of HP 38 but it's still the same powder.