Button regimental with number "20"

the Russian Empire, in the middle of the NINETEENTH century. Good condition. Guaranteed original. Rare.

a Button with  «20  different wore their ranks following bands:
from 1829 to 1833 gg 20-th Jaeger regiment
from 1829 to 1833 gg Ladoga infantry regiment
from 1829 to 1833 gg Courland cavalry regiment
from 1833 to 1835 gg Suzdal infantry regiment
from 1833 to 1835 gg Kazan Jaeger regiment
from 1833 to 1851 gg Novoarkhanhelskyi cavalry regiment
from 1835 to 1856 Tobol'sk infantry regiment
from 1835 to 1856 Kolyvan Jaeger regiment
from 1856 to 1862 gg Galitsky infantry regiment
1858 to 1862 gg 20-th Caucasian Linear battalion

Good condition.

The button with the number "20" at various times, wore the ranks of the following regiments:
from 1829 to 1833 the 20 th regiment of Chasseurs
from 1829 to 1833 gg Ladoga infantry regiment
from 1829 to 1833 gg Courland Uhlan regiment
from 1833 to 1835 gg Suzdal infantry regiment
from 1833 to 1835 gg Kazan Jaeger regiment
from 1833 to 1851 yy Novoarkhanhelskyi lancers
from 1835 to 1856 gg Tobolsk infantry regiment
from 1835 to 1856 gg Kolyvan regiment of Chasseurs
from 1856 to 1862 gg Galicia infantry
from 1858 to 1862 the 20 th of the Caucasian Linear battalion