The Prime Per dics I got look IDENTICAL to some PNY 80min CD-R's I have...
Prime Peripherals; CDR Identifier 1.62:
ATIP: 97m 27s 01f
Disc Manufacturer: Digital Storage Technology Co., Ltd.
Reflective layer: Dye (Long strategy; e.g. Cyanine, Azo etc.)
Media type: CD-Recordable
Recording Speeds: min. unknown - max. unknown
nominal Capacity: 702.83MB (79m 59s 74f / LBA: 359849)
PNY; CDR Identifier 1.62:
ATIP: 97m 15s 17f
Disc Manufacturer: Ritek Co.
Reflective layer: Dye (Short strategy; e.g. Phtalocyanine)
Media type: CD-Recordable
Recording Speeds: min. unknown - max. unknown
nominal Capacity: 702.83MB (79m 59s 74f / LBA: 359849)
The PNY's have a very similar silver+black print on top, and the bottom of the PNY + PP are identical in reflective property and color (silver with light green tint).
I suggest reading this Usenet post that says ATIP information is often incorrect