2020 ( IN -23.3.2020)
F : Belarusian text; window; denomination as registration device; Mir Castle in Korelichi district, Grodno region
B : Belarusian text; quill pen and manuscript; musical staff; laurel branches; lyre.
Sg None ,Wmk - Mir Castle tower electrotype 50
Windowed security thread with demetalized Br50.