Stamps Year 1991

1689 - Soraba Legends
Manuel Briones
1688 - Max Ernst
Manuel Briones
1687 - Seal Day
Manuel Briones
1683 - Centennial of Three-Phase Power Transmission
Manuel Briones
1647 - XVIII World Gas Congress
Manuel Briones
1645 - Max Reger
Manuel Briones
1637 - 125th Anniversary of the Lette Foundation
Manuel Briones
1635 - 750th Anniversary of the Battle of Legnica
Manuel Briones
1633 - Lingonberry
Manuel Briones
1627 - Friedrich Spee von Langenfeld
Manuel Briones