This tape is in three languages: Russian, Finnish and Swedish (OPENED BY WAR CENSOR)
The B censor tape is found in 4 sub-types, and it was used at 6 of the 10 censorship places.
Kuopio, Nikolainkaupunki, Oulu, Tampere, Turku, and Vyborg.
Period of use September 1916 to end of January 1917.
Type B-I
Cyrillic letter S (Russian C) pointed in top
Type B-II
Letter R and K are directly below each other.
Type B-III
Letter "K" is under right serif of the second letter "U"
Type B-IV
Letter R and K are directly below each other. Serif of letter "R" is slanted
All type B resealing tapes are elusive and relative scarce, but type II is the most comon.
They are all printed on white and brown paper of various shades.
Cover with censor tape B sub type I used 5. Jan. 1917 at Tampere.