Identifying Bianchi Specialissima SL (and value?)

[jaybike]

Hello,
I purchased this vintage Bianchi Specialissima SL a few years ago; it came with a Campagnolo 50 year anniversary groupset. I wanted to see if anyone might know the year and might the value of this might be. Here's the imgur album (I tried asking on reddit but didn't get many informative replies

https://imgur.com/a/7yphoa3

 

[mongeese]

Dealt with Bianchi this evening in Celeste.
Take your time and know this is a very good bike.

 

[jaybike]

Dealt with Bianchi this evening in Celeste.
Take your time and know this is a very good bike.

Thank you! Yes, it's a beautiful bike!