You have to ship it back to the factory in Italy.

AlAn
via Scapacchio est, 43 - 35030 SACCOLONGO (PD) ITALIA
fax 049/8015260

Read off a scan of an old brochure .

I had one in the 80s , airfreight charge was as if it weighed 55#, due to carton girth.
I discarded the frame. and put all the parts on a steel frame..

Have a couple 25.0mm campag SR seatposts FYI... FS