Selle San Marco Regal would be my first choice.. then a rolls, but I bet you will get some vote or two for a flight or the later turbomatic selle italia turbo saddles.
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1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear