If it was mine, I'd ebay it, and make it available worldwide in hopes of a bidding war between wealthy Japanese collectors.
Then profit!
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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