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forwarded the inquiry on to member
@MauriceMoss
he reports it to be a Fiorelli product although it may have been otherwise badged
Maurice's messge -
"Hard to say what mystery frame was labeled originally, but it is definitely a Fiorelli made frame. I think the Maserati (MT-3?) came with a metal head badge (and also had a slightly different fork crown), so it's likely the mystery frame was badged Coppi or just Fiorelli, both of which came with head tube transfers/decals (somewhere likely around early-mid 70s).
I've never been able to figure out their numbering scheme but I don't think 69 refers to a year as I've seen numbers starting with 83, 90, 93, 03, 18 etc, all on frames from the 70s. Who knows, maybe the numbers didn't even mean anything.
Here's one example (the sadly lost some of its transfers
"
all credit to our Masterful Maurice!
here is an illustration from Bertin showing the frame's fork crown pattern...courtesy of Daniel Rebour...