Maybe that will all change as "the largest and most complete collection of archive documents, film footage and photo materials on the Second World War will be created in Russia and will be accessible to our citizens and the whole world... our duty as a victorious power and responsibility to future generations." to quote President Putin. That's some progress, since most (federal) WWII archives not accessible online, or to the public unless you are an academic author, researcher or such.
Panzerkampfwagen 38 für 2 cm Flak 38 Ausf. L (Sd.Kfz. 140).
Spoiler
141 x Flakpanzer 38(t) were completed by B.M.M. between 11.1943-02.1944. 84 deployed in Normandy were lost by the end of August 1944, and only three Flakpanzer 38(t) with the 2.Pz.Div. and six with the 17.SS-Pz.Div. were available on the Western Front on December 1944.
IS-2 from the 50th Guards Separate Tank Regiment, knocked out by Panthers of I/SS-Panzer-Regiment 3. 29 July 1944, Siedlce.
Spoiler
During fighting on 29 July 1944, according to units own report, 18 tanks of all types including T-34s, several IS-2s, and M4A2s, were destroyed in and around the city by the Totenkopf Division, incl. several knocked out by handheld weapons.