This two seat glider was built at PZL Swidnik with c/n 78.03.09 - it was delivered new to Norway in August 2003 and was operated by the Oslo Seilflyklubb ( Oslo Gliding Club ).
This glider has been exported to a gliding club in Sweden.
The photo of LN-GCV below is courtesy of the Oslo Seilflyklubb
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The Oslo Seilflyklubb also operate another PW-6U - LN-GZZ c/n 78.03.06 which has tail code "L6".
UPDATE - this PW-6 was registered in Sweden as SE-UUJ on 18th Feb 2010.
Steve