The AMS is a version of the T55 soviet medium tank, though this specific tank was used at the Szczecin regiment in Poland between 1980 till 1995 when the regiment was closed down. The tank was manufactured 1980, but the manufacturing process of this version as chancelled in 1981. This vehicle was bought by the SMHS military museum in Delary, Sweden, and can now be viewed there. In case you want any more information about this vehicle, just visit the SMHS website page for this vehicle, link below.

http://www.smhs.eu/gallery_218.html