This pair of 1977 Deutsche Bundespost Berlin commemoratives highlights two major cultural and technological milestones.
The 50 Pf stamp celebrates 100 years of the telephone in Germany, contrasting an early Imperial-era wall telephone with a modern 1970s push-button model, issued for the Internationale Funkausstellung Berlin 1977.
The 70 Pf stamp honors the 15th European Art Exhibition, featuring a stylized 1920 artwork by George Grosz, representing German modernist expression.
Both stamps offer sharp engraving, strong thematic appeal, and excellent topical value for collectors of telecommunications, technology history, art exhibitions, and Berlin postal issues.