As per page 316 of the 1971 edition of Shooters Bible (#62):

25-20 Win. High Velocity Super-X 60 OPE:

Velocity; 2250/M, 1660/100, 1240/200, 1030/300

Engergy; 675/M, 365/100, 205/200, 140/300

'Hope that this information is what you were looking for.

Jeff