There already is an excellent recording of the Reizenstein PC 2 available on Dutton Epoch, released in 2011, with Victor Sangiorgio (piano) and Martin Yates conducting the RSNO. It is coupled with the PC 2 of Stanley Bates.
On the other hand, this recording is already out of print (though only released in 2011!), which is a problem with many Dutton releases – these discs are no longer available far too early. Of course, there is the possibility of getting the CD as a download via Amazon, qobuz or so, but I actually want the original CD, and at present it seems it is almost impossible to get hold of a copy (at least for a reasonable price). In this sense, the new CPO disc will be welcome.