Los 6634
20 Skilling banco (2x 6 + 8) on letter postmarked Stockholm March 27th 1857 sent to Russia. Manuscript notation "Franco" and "Via Grislehamn". A rare letter with a most unusual grey-brown shade of the 6 Skilling stamps. Certificate Nils Svensson (1984) and Sjöman (1972) One of the 6 Skilling stamps with an archival fold.
