I have burnt them to MP3 throughout the years (started when I was a boy in about '98) but very recently have decided to convert all of my albums to lossless FLAC and was reminded of the issue as I reexamined the discs.

By profesionally-finished, I assume you mean the discs should be silver?

Awhile ago, I contacted Document directly, but received no response to my email (I'll simply resend it if I still have it); I remember seeing something ONCE on the website mentioning possible counterfeits, but I can't find the article any longer (?)

Thanks for your help, Fred!