Bedeutende Gebäude der Geschichte der Bundesrepublik Deutschland (Important Buildings in the History of the Federal Republic of Germany).

 souvenir sheet (Souvenir Sheet / Block 20) issued by the Deutsche Bundespost on June 20, 1986.

It features a special first-day cancellation postmark (Erstausgabe) from Bonn, dated 20.-6.1986.

The sheet consists of three 80 Pfennig stamps, each depicting a significant architectural monument connected to the political history of West Germany:

Top Stamp: The Reichstag building in Berlin (Reichstagsgebäude Berlin).

Middle Stamp: The Koenig Museum in Bonn (Museum Koenig Bonn), where the Parliamentary Council met in 1948.

Bottom Stamp: The Federal Parliament building in Bonn (Bundeshaus