The file contains correspondence related to the sale conditions for the agencies and distributors in Czechoslovakia.
The file contains correspondence related to the sale conditions for the agencies and distributors in Finland.
The file contains correspondence related to UNPA promotional activities.
The file contains correspondence related to UNPA and philatelic clubs.
The file contains correspondence related to UNPA and philatelic clubs in the United States.
The file contains correspondence related to UNPA and the editors of philatelic publications in Europe.
The file contains correspondence related to UNPA and the editors of philatelic publications in Europe.
The file contains correspondence related to UNPA promotional activities.
The file contains correspondence related to UNPA promotional activities.
The file contains correspondence related to UNPA promotional activities.