I remember hearing about them in my LBS days, there was a model called Seraph and/or Super Seraph, something like that. I don't think they were terribly common and don't recall which shop sold them.
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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