Dot after numeral 1 in 1966 so that the year mark resembles to 1.966.
This error was mantioned in Sloviev’s special catalogue of Russian and Soviet stamps (Tome 2, page 59).
For more Soviet stamps click here
Dot after numeral 1 in 1966 so that the year mark resembles to 1.966.
This error was mantioned in Sloviev’s special catalogue of Russian and Soviet stamps (Tome 2, page 59).
For more Soviet stamps click here