The inscription on the stamp gives ‘turunmaa’, Stanley Gibbons collect ships on stamps give that she is the LODBROK one of the turunmaa class.
She did belong to the Skärgårdsflottan (archipelago fleet) based at Sveaborg fortress near Helsinki.
1771 Completed as a frigate under the name LODBROK.
Tonnage 198 tons, dim. 35.6 x 8.9 x 3.1m.
Armed with 24 – 12pdr., 10 -3pdr. guns and 16 – 3pdr swivel guns.
Crew 226.
The design was made by Fredrik Henrik af Chapman, and the class had two decks and three masts.
Powered by sail or by 16 pairs of oars.
During the war under King Gustav III 1788 – 1790 (Russian – Swedish War) was she used as hospital ship.
Fate unknown.
Finland 1937 2m + 20p sg313, scottB25
Source: Various web-sites