I acquired a set of those hubs with a highly deteriorated 76 Paramount that I parted out. They now reside on my 72 chrome P15 that uses a more modern drive train, along with the odd slightly curved skewers that were not of the CPSC variety.
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1971 Paramount P-13 Chrome
1973 Paramount P-15 Opaque Blue
1974 Raleigh Professional Blue Mink
1991 Waterford Paramount
Holland Titanium Dura Ace Group
Holland Titanium Ultegra Triple Group