John Thompson asked about TS Isaac bikes. As I recall, Isaac was a major push behind the early 1980s Trek frames and then later built for both Rivendell and Schwinn. He formed the Match framebuilding company in the late 90s and made some very nice Paramounts. I have never been able to tell the difference between a Match built Reynolds 853 Paramount and the other 853 Paramounts however. Does anyone know whether there is a letter in the serial number or other distinguishing characteristic that would tell that it was made by Match? Lou Deeter, Orlando FL