BLK, PFS, released last August, AISC is similar to RSG, A$1,100/oz, 207koz annual production (9 years, upside by 6.5Moz resource).
Rough valuation per JORC gold resource:
RSG: $55/oz, gold resource: 12.6Moz
PRU: $68/oz, gold resource: 6.8Moz
BLK: $11/oz, gold resource: 6.5Moz
DYOR.