over $500! funny. Two overzealous bidders bid this up to astronomical prices on Ebay a couple years ago. This seatclamp was used on mid 1950s to mid 1960s Italian bicycles. It was found on ones that used this seat collar type, rather than seat binders built into the seat lug. Olmo, Atala, etc used this … Continue reading funny, at one time this seat clamp sold for. . .