369. Auktion Heinrich Köhler 1. Juni 2019 in Stockholm Los 522 1856, 10 kopeks light to lilac-carmine, a beautiful fresh and large margined copy with index number "12" at upper right and neatly cancelled by central boxed "WIBORG 2 11 1856", repeated at left, on entire letter to Helsingfors. A very fine and attractive letter with the earliest recorded date of the high boxed Wiborg cancellation. Signed Calves, 2 certificated Gummesson (1980 and 1997), certificate Schwenson BPP (2018) Ausruf 2.000,00 EUR Zuschlag 2.800,00 EUR (aus der Sammlung Erivan Haub)