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Haden is the most logical source for these.
Here is a Haden advert from the era of the frame for the Firefly and Polaris patterns.
A measure of "family resemblance" can be seen but certainly not a match.

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welded crown appears it may be a BOCAMA pattern, although Haden, NERVEX and others offered very similar ones...
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are dropouts Agrati or are they Cyclo?
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this thread would be helped by visitation from our framebuilder members such as
gugie Doug Fattic &
bulgie
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