This coin was minted in Stuttgart in 1876 and was struck at the time when the German Empire held rule.
The German Empire or Deutsches Kaiserreich as it was locally known was a long lived from 1871 till 1918 and was very wide with arms that branched well out of Europe as far as Africa, North East China, Samoa and New Guinea.
The coin is in great condition and would rate as almost uncirculated or extra fine plus.
If your looking to strengthen your collection of coins from this period of German numismatics then here is a great opportunity.
As a short note: 20 Pfennig coins from 1873 till 1877 contained 0.032 troy ounces silver .
Design
German Empire – Deutsches Reich
Year: Â Â Â Â 1876
Value: Â Â Â 20 Pfennig 1876 F
Catalogue: Jaeger 5
Metal: Â Â Â 0.032 troy ounces silver
Reverse: Â Imperial Eagle engraved by Emil Weigand
Obverse: Â 20 Pfennig with mint mark below.
Mint mark letters were  ABCDEFGHJ
A-Berlin
B-Hanover
C-Frankfurt
D-Munich
E-Muldenhutten
F-Stuttgart
G-Karlsruhe
H-Darmstadt
J-Hamburg
History
A quick look at who was who in the German Empire in 1876 when this coin was released.
*Kaiser — William I
Chancellor — Otto von Bismarck
Kingdoms
King of Bavaria — Ludwig II of Bavaria
King of Prussia — Kaiser William I
King of Saxony — Albert of Saxony
King of Württemberg — Charles I of Württemberg
Grand Duchies
Grand Duke of Baden — Frederick I
Grand Duke of Hesse — Louis III
Grand Duke of Mecklenburg-Schwerin — Frederick Francis II
Grand Duke of Mecklenburg-Strelitz — Frederick William
Grand Duke of Oldenburg — Peter II
Grand Duke of Saxe-Weimar-Eisenach — Charles Alexander
Principalities
Schaumburg-Lippe — Adolf I, Prince of Schaumburg-Lippe
Schwarzburg-Rudolstadt — George Albert, Prince of Schwarzburg-Rudolstadt
Schwarzburg-Sondershausen — Gonthier Frederick Charles II, Prince of Schwarzburg-Sondershausen
Principality of Lippe — Woldemar, Prince of Lippe
Reuss Elder Line — Heinrich XXII, Prince Reuss of Greiz
Reuss Younger Line — Heinrich XIV, Prince Reuss Younger Line
Waldeck and Pyrmont — George Victor, Prince of Waldeck and Pyrmont
Duchies
Duke of Anhalt — Frederick I, Duke of Anhalt
Duke of Brunswick — William, Duke of Brunswick
Duke of Saxe-Altenburg — Ernst I, Duke of Saxe-Altenburg
Duke of Saxe-Coburg and Gotha — Ernst II, Duke of Saxe-Coburg and Gotha
Duke of Saxe-Meiningen — Georg II, Duke of Saxe-Meiningen
*All information taken from Wikipedia for educational purposes only.