I can't say as I have seen a 66cm Waterford Paramount either. That was a common size in the 70's and early 80's, I had one. Please post a picture if you are able.
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84 Bridgestone 400. 90's Basso Highway, 07 Rivendell AHH, 16 Clockwork All-Rounder , 22 Rivendell Roadini