I think you have an '88 Formula 2 frameset. I looked at the pics of the '88 Trofeo I used to have it has a similar grommet on the brake bridge. Serial format is similar. That is an odd paint scheme with only the fork and HT being painted black though
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk