1935
1946
1951
aged
anniversary
antique
architectural
architecture
background
birthplace
black
bolshevik
building
canceled
closeup
collecting
haymaker
history
hobby
kalinin
mail
mark
mikhail
object
philately
politician
post
postage
postmark
revolutionary
russia
russian
soviet
stamp
troitsa
union
ussr
verhnyaya
village
vintage