[CR]Early 60's Bianchi experts (What model is this?)

Is there a way to tell what model Bianchi this is? Serial No. 160788. See photo link below, (Specialissima or Competizione?)This bike had been repainted many years ago. So no decals. It has the screw in the back of the head tube. Has Brooks B-17 saddle (never had a tag)stamped 61. Campagnolo parts include seat post, Gran Sport front and rear derailler, HF hubs with oil clips, shifters, drop outs and crank. Universal 61 brakes. Colors? Would that depend on the model. What colors can I consider for the restoration. What small specks of original paint I can find appear to be a coppertone or gold color. Thanks in advance

http://www.villagephotos.com/viewimage.asp?id_=6411071

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