Unica saddle

The Unica (Made in Italy) Nitor saddle, with sliding rails, mounted to the special seatpost is shown in the two images below. Its in the RonKit cat 1963, pp66. Model 1960 saddle with patented micro-adjusting pillar (the accessory that is guaranteed to improve your performance - typical RonKit exaggeration!). Does not appear to be connected with Cinelli back then as their products are listed onpp64.