Auction Series 257-264 in Zurich Day 4

Coastal Ships - Helsingfors Area - af J.J. Lindfors 1886: S.S. Thor, 10 penni black on green wove paper (lithographed and punched out individually), Type I with eight pointed star and without damage to '0' of '10', used on triangular 8 July 1886 entire letter to Furuvik, Eastern Helsinki, cancelled by manuscript pen strokes. Illustrated by Dr. Connell in 'The Letter and Parcel Stamps of the Finnish Shipping Companies' on page 59. An exceptional cover, sold together with an 1889 10 p. stationery card endorsed "med Ångebåten Thor" and carried on the Sibbo route.
Catalogue 261: Stamp Issuing Steamship Companies