Coins of 
France
French: République française

100 centimes (single: centime) = 1 French franc (plural: francs) [FRF] (until 2002)
100 cents (single: cent) = 1 euro (plural: euro) [EUR]
Symbols: FF, Fr (franc), € (euro)

Official motto: 
  • Travail, famille, patrie (Labor, family, fatherland): Vichy State
  • Liberté, Egalité, Fraternité (Liberty, Equality, Fraternity)

Languages on coins: French
Alphabets on coins: Latin
Numerals on coins: Western Arabic
​Calendars on coins: Gregorian

Mint Marks

Bern (CHE), Madrid (ESP) or Utrecht (NLD): 5-pointed star

Atelier de Amiens, Amiens (FRA): "X"

Atelier de Bayonne, Bayonne (FRA): "L"

Atelier de Beaumont-le-Roger, Beaumont-le-Roger (FRA): "B"

Atelier de Bordeaux, Bordeaux (FRA): "K"

Atelier de Castelsarrasin, Castelsarrasin (FRA): "C"

Atelier de La Rochelle, La Rochelle (FRA): "H"

Atelier de Lille, Lille (FRA): "W"

Atelier de Limoges, Limoges (FRA): "I"

Atelier de Lyon, Lyon (FRA): "D"

Atelier de Marseille, Marseille (FRA): "M" and "A" superimposed

Atelier de Nantes, Nantes (FRA): "T"

Atelier d'Orleans, Orleans (FRA): "R"

Monnaie de Paris, Paris (FRA): "A"

Atelier de Perpignan, Perpignan (FRA): "Q"

Monnaie de Paris, Pessac/Paris (FRA): Cornucopia

Atelier Privé de la Société Française de Monnayage, Poissy (FRA): Lightning bolt

Atelier de Rouen, Rouen (FRA): "B"

Atelier de Strasbourg, Strasbourg (FRA): "BB" or superimposed "BB"

Atelier de Toulouse, Toulouse (FRA): "M"

Koninklijke Nederlandse Munt, Utrecht (NLD): Mast with flag

Mint Masters (Directeurs d'Atelier)

Bayonne (L):

Pierre-Romain Darripe, 1803-1810: tulip (tulipe)

Bordeaux (K):

Laurent-Baptiste Lhoste, 1796-1803: lamp

Ernest Dumas, 1861-1867: hammer and pickaxe (pic et marteau)

Joseph Marchant Dupleny, 1870-1871: "M" in star

Henri Delbeque, 1870-1878: trefoiled star

Lille (W):

Louis-Théophile-François Lepage, 1796-1816: caduceus (caducée)

Alexandre Beaussier, 1817-1840: caduceus (caducée)

Charles-Frédéric Kuhlmann, 1853-1857: old lamp

Limoges (I):

Martial Parent, l'an 12-1822: horizontal clasped hands

Lyon (D):

Michel Gabet, 1803 - 1823: Bee (abeille)

Nantes (T):

Marie-Joseph François, 1782-l'An 2: Sitting greyhound

Marseille (MA):

Cyprian Gaillard, l'An 9-1809: Star

Paris (A):

Unknown, An 5-6: Cornucopia

Charles-Pierre De l'Espine, An 5 - 1821: Rooster (coq)

Jean-Pierre Collot, 1821-1842: anchor with 'C' (ancre avec 'c')

 Charles-Louis Dierickx, 1845-1860: Hand (main)

Renouard de Bussière, 1860-1879: Bee (abeille)

Jean Lagrange (FRA), 1880-1896, fasces

Orléans (R):

Charles-Pierre de l'Espine, 1997: Rooster (coq)

Rouen (B):

Joseph Lambert, 1786-1794, 1803-1817:
Alphonse Lambert, 1818-1820:
A-Étienne De Cambry, 1821-1844:

Passover Lamb (agreau pascal​)

Strasbourg (BB):

Henri Delbecque, 1860-1870: Trifoiled cross (croix)

 Utrecht (Mast with flag):

Gideon Jan Langerak de Marchie Sarvaas (NLD): Fish (poisson)

Chief engravers (Graveurs généraux)

The function of the Graveurs Généraux is described by Désiré-Albert Barre:
"Les fonctions de Graveur général des monnaies de France créés par Henri II impliquent la reproduction et la fourniture de tous les coins de monnaies employés dans les ateliers monétaires de l’Empire." 
"The functions of the Graveur général of the Mint of France as instituted by Henry III involves the production and the delivery of all the dies used in the mints of the Empire."
In chronological order:

Augustin Dupré (FRA), 1795-1802, bow shooting Artemise

Pierre-Joseph Tiolier (FRA), 1803-1816, stylized "Tr."

Nicolas-Pierre Tiolier (FRA), 1816-1843, horsehead (Tête de cheval), stylized "T" or five-pointed star (etoile)

Jacques-Jean Barre (FRA), 1843-1855, head of greyhound (tête de la levrette)

Désiré-Albert Barre (FRA), 1855-1878, anchor (ancre)

Jean Lagrange (FRA), 1880-1896, fasces or bundle of arrows (faisceau)

Henri Auguste Patey (FRA), 1896 - 1930, torch (torche)

Lucien Bazor (FRA), 1931-1958, wing (aile)

Raymond Joly (FRA), 1958-1974, owl (chouette)

Emile Rousseau (FRA), 1974-1994, dolphin (dauphin)

Pierre Rodier (FRA),  1994 - 2000, bee (abeille)

Gérard Burqoy (FRA), 2001 - 2002, horseshoe (fer à cheval)

Serge Levet (FRA), 2003, Heart with L.S. (coeur avec L.S.)

Hubert Larivière (FRA), 2004-2011, Horn with waves and fish (cor avec vagues)

Yves Sampo (FRA), 2011-present: pentagon

Designer Marks

Gérard Baldrati (?): "G.BALDRATI"

Jean-Jacques or Jacques-Jean Barre (FRA): "BARRE"

Georges Lucien Bazor (FRA): "G.B.BAZOR" or superimposed "LB" or "L.BAZOR"

Claudine Béréchel (FRA): "BÉRÉCHEL"

Nicolas-Guy-Antoine Brenet (FRA): "BRENET"

Louis-Charles Bouvet (FRA): "BOUVET F"

Note: "F" is an abbreviation of the Latin 'fecit'​, meaning 'made by'

Jules-Clément Chaplain (FRA): "J.C. CHAPLAIN"

Robert Cochet (?): "R COCHET" or "R" in "C"

Raymond Corbin (FRA): "R." and "C."

Fabienne Courtiade (FRA): "F. COURTIADE"

Adrien Dieudonne (?): "A.DIEUDONNE"

Joseph-François Domard (?): "DOMARD INV." or "DOMARD·F·"

Note: "INV." is an abbreviation of the Latin 'invenit', meaning 'he invented'
Note: "F." is an abbreviation of the Latin 'fecit'​, meaning 'made by'

Hervé Duetthe (FRA): "H. DUETTHE"

Augustin Dupré (FRA): stylized "Dupré"

Jean-Baptiste-Daniel Dupuis (FRA): "DANIEL DUPUIS"

Andreas Gal (?): "A. GAL"

Georges Guiraud (FRA): "GEORGES GUIRAUD" or "G·GUIRAUD"

Joaquim Jimenez (FRA): "JIMENEZ" or "J. JIMENEZ"

Laurent Jorio & Oscar Roty (FRA): "L. JORIO d'ap. O. ROTY"

Frédéric Joubert (?): "F.JOUBERT"

Henri Lagriffoul (FRA): "LAGRIFFOUL"

André-Henri Lavrillier (FRA): "A.LAVRILLIER"

Edmond-Émile Lindauer (FRA): "EM LINDAUER"

Luc Luycx (BEL): Superimposed "LL"

Jacki Mauviel (?): "J. MAUVIEL"

Auguste-François Michaut (FRA): "MICHAUT F."

Note: the letter 'F' stands for the Latin 'Fecit' meaning 'made by'

Pierre-Alexandre Morlon (FRA): "MORLON"

Eugène-André Oudiné (FRA): "E.A.OUDINÉ.F." or "OUDINÉ"

Note: the letter 'F' stands for the Latin 'Fecit' meaning 'made by'

Henri-Auguste-Jules Patey (FRA): "A.PATEY"

Daniel Ponce (?): "D. PONCE"

Pierre Rodier (FRA): ".qRODIER" or "P.RODIER"

Émile Rousseau (?): monogram of "ER"

Giorgos Stamatopoulos (GRC): Greek capital letters gamma and sigma, "ΓΣ" 

Nicolas-Pierre Tiolier (FRA): "TIOLIER"

Pierre-Joseph Tiolier (FRA): "Tiolier" and stylized "Tr."

Pierre Turin (FRA): "P. TURIN"

National identification and other marks

Monograms

Monogram of France: Stylized "RF"

The monogram shows the main letters of country's name republic française (Republic of France) in a stylized fashion.

Monogram of France: "RF"

The monogram shows the main letters of country's name republic française (Republic of France). 

Monogram of Napoleon I of France: crowned "N"

Napoleon I was the emperor of France from 1804-1814 and in 1815.

Latin Abbreviations

FRANC·ET NAVARR·REX·
Latin: Francorum et Navarrae Rex
English: King of France and Navarre

L. XIIII. ROY. DE. FR. ET. DE. NAV.
Latin: Luduvic XIIII Roy de France et de Navarre
English: Louis XIV, King of France and of Navarre

LUDOV·XVI· D·GRATIA
Latin: Ludovic XVI Dei Gratia
English: Louis XVI, by the Grace of God

Other marks

Abbreviation of metals: "BR.AL."

The abbreviations "BR" and "AL" stand for 'Bronze" and "Aluminium", the two materials which form the alloy the coin is made of.

Atelier de Gravure: "A. DE G."

Monogram of Atelier de Gravure des Monnaies et Médailles: monogram of letters "agmm"

The Atelier de Gravure des Monnaies et Médailles is the art-studio of the Monnaie de Paris.
NB. not to be confused with the mint mark of Yves Sampo.