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Poland issued in 1987 a set of six stamps for the 10th anniversary of the Polish Antarctic research base Henryk Arctowski.

The 30Z stamp shows a small sail-motor ship the DZIUNIA, Stanley Gibbons gives it as a research vessel.
In the foreground you see an Antarctic fur seal.
Of the DZIUNIA I have not any information, any details on the boat is welcome.

Poland 1987 30z sg 3093, scott?

Museum Ship

Research boat of Polish Academy of Sciences (Polska Akademia Nauk), used at Henryk Arctowski Polish Antarctic Station - King George Island, South Shetland Islands, West Antarctica till 1997. Now as an exhibit of the fishing museum in Hel.
Internet.