Figure Ship cancellations
Postmark found in 2 types a) 24mm and b) 20mm
used at Helsinki (similar rare type used at Hangö)
2 ring postmark used in Turku - Åbo from May 1912 to 1914 for Ship mail
Type 3 with Russian text removed - all 3 found with and without Russian text. after 1914 these cancellations were used as arrival-postmarks only.
Postmark is often unclear and the number of small differences that can be found in this postmark but they are often very difficult to distinguish.
Similar types known used at Turku, Helsinki, and Savonlinna (Nyslott),
(Suomen Postimerkkeily Oy; 1/93 - lot 888)