Gray market labels offer spotty quality at best. Most likely digital masters, sometimes even pressing ripped CDs onto vinyl! Yes, it has happened. Research your titles carefully. For instance, there's a NM-condition Classic Records pressing of Tijuana Moods selling for a mere $30 US. Charles Mingus - Tijuana Moods (Vinyl, , 1997) For Sale | Discogs Don't ever spend money on DOL, WaxTime, or any of these terrible terrible brands. At that point, why not just get a CD? It'd definitely sound better! For vinyl, stick with the good names for a great experience. Otherwise, what's the point?