1950-1971 - 50 Pfenning - BUNDESREPUBLIK
Denomination 50 Pfennig
Dates issued 1949–2001
Composition Cupro-nickel (Cu 75 Ni 25)
Reverse Cultural woman planting a Oak seedling symbolizing the reconstruction of Germany, year. Rs. Indication of value, circumscription BANK GERMAN COUNTRIES, embossed characters.
Germany - Federal Republic - 50 Pfennig
Source: en.numista.com 
Country Germany - Federal Republic
Value 50 Pfennig (0.5 DEM)
Weight 3.5 g
Diameter 20 mm
Thickness 1.58 mm
Engraver R. Werner (reverse)