Vintage Silca Impero frame fit pump.  Late 1970s.  Desirable “Coppi” pantograph.  Pump measures 53cm uncompressed and around 50 to 51cm fully compressed.  Presta valve.  More than likely will fit a 54 to 55cm frame.Please be aware that I will be out of country on vacation from October 21st through November 5th.  If you make a purchase, I will not be able to ship until the 7th of November.  Thanks for understanding and thanks for the purchase.