I'd say early 70's, based on the Shimano Crane and the Sugino Maxy.
Nice that the Italian chrome seems like it will clean up, it is usually pitted or peeling.
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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