How to Identify the French Silver Franc
A collector's guide to confirming a French Third Republic silver 1-franc coin — its Marianne head, REPUBLIQUE FRANCAISE reverse, size, edge, and mint marks.
Read the full French Silver Franc encyclopedia entry →
What It Is
The French silver franc is a small silver one-franc coin from France's Third Republic. The piece shown here is dated 1899 and shows an allegorical Marianne head on the obverse and the legend REPUBLIQUE FRANCAISE on the reverse. Confirming it is mostly a matter of checking the design, the physical specifications, and the small marks flanking the date.
Obverse (Front)
Look for a female head in profile facing left — Marianne, symbolizing the Republic — with curly, flowing hair and a crown- or diadem-like headpiece. The portrait fills most of the field. An engraver's signature may appear in tiny letters beneath the truncation of the neck.
Reverse (Back)
The reverse carries the national legend REPUBLIQUE FRANCAISE, the denomination (1 FRANC), and the date. On the pictured coin the reverse also shows a heraldic eagle with a shield. The date is the single most useful identifier for pinning down the exact issue — read it carefully, as it separates otherwise similar coins.
Size, Metal, and Edge
Expect a small coin, roughly 23 mm in diameter and about 5 grams, struck in silver with a reeded (grooved) edge. A magnet test is a quick sanity check: genuine silver is not magnetic. Weight and diameter noticeably off from these figures are a warning sign of a replica or a different denomination.
Mint Marks and Authentication
French coins of this period normally carry a small mint-mark letter and tiny privy symbols (a cornucopia, an anchor, or similar) positioned near the date; these identify the mint and engraver and help confirm authenticity. Be cautious of cast copies, tooled surfaces, or altered dates — look for crisp, well-defined lettering and a genuine struck (not grainy cast) surface. Because many one-franc types share a similar look, always match the date, legend, and marks together rather than relying on the portrait alone, and consult a specialist for high-value or doubtful pieces.
Frequently asked questions
Where is the mint mark on a French silver franc?
It is usually a small letter near the date on the reverse, accompanied by tiny privy symbols on either side that identify the mint and the engraver.
How can I tell a real silver franc from a fake?
Check that the size and weight are close to about 23 mm and 5 grams, that the coin is non-magnetic, and that the lettering is crisp and struck rather than soft and grainy. Weigh and, if needed, have suspect pieces examined by a specialist.
The portrait looks different from other French francs — why?
France used several allegorical designs on its one-franc coins over the years. Match the date, the REPUBLIQUE FRANCAISE legend, and the mint marks together to identify the exact type rather than relying on the head alone.