1860 - 20c very dark blue, printing of '60 (just t
1860
1860 - 20c very dark blue, printing of '60 (just touched on a point on the left, on top) from "SALLANCHES 10 MAR 60" to Geneva, with boxed "R.L." on the front. Reduced rate for close-by towns from Savoy to Switzerland. Rare. Initials A.Diena (Sassone 15C - € -)
