The file contains correspondence related to the sale conditions for the agencies and distributors in Poland.
The file contains correspondence related to the emissions of UN postal administration stamps in 1975.
The file contains correspondence related to the emissions of UN postal administration stamps in 1976.
The file contains correspondence related to the emissions of UN postal administration stamps in 1984.
The file contains correspondence related to the emissions of UN postal administration stamps in 1985.
The file contains correspondence related to the emissions of UN postal administration stamps in 1985.
The file contains correspondence related to the emissions of UN postal administration stamps in 1986.
The file contains correspondence related to the emissions of UN postal administration stamps in 1986.
The file contains correspondence related to the emissions of UN postal administration stamps in 1987.
The file contains correspondence related to the emissions of UN postal administration stamps in 1989.