Surviving rolling stock of the former Saint Petersburg-Warsaw railway

General
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Does anybody know if there are any surviving carriages, wagons or any locomotives that were used on the Saint Petersburg-Warsaw railway? I know that there is a surviving baggage van currently preserved in Saint Petersburg.

Source of the image:
https://kpopov.ru/military/spb_railroad_museum.htm?fbclid=IwY2xjawPN1RdleHRuA2FlbQIxMABicmlkETBkTHVOdFpCVVNXaUZIdVZjc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHn5r1JPY68qLLIK1z37gta5fIRvEX8MI_DFwK7S5YAgDr3PkpevH23ou8ael_aem_Ei0GHXYNgqWAat3lExnICQ

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