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Some Frejus frames have regular seat binder ears. If the bicycle in question had them and they have been removed one should be able to view the "scars."

This Frejus dated 1963 has the ears:



Frejus seat lugs are seen both with and without the vertical cutout slot. Also both with and without the binder ears.

Suspect machine in question may be a late fifties midliner, likely built of Falck or similar tubeset.

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