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1 franc - Jean Essai de frappe sur plomb
| Issuer | Grand Duchy of Luxembourg (Luxembourg) |
|---|---|
| Year | 1965 |
| Type | Log in to see details |
| Value | 1 Franc (1 LUF) |
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| Composition | Log in to see details |
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| Obverse description | This lead trial striking presents the obverse design within a deeply concave, dish-like field characteristic of a plomb essai, with the coin impression confined to a raised central medallion surrounded by a broad, unworked flanged border bearing the flow marks of the soft metal. Within the central medallion, a bare-headed left-facing portrait bust of Grand Duke Jean of Luxembourg is depicted in fine relief, engraved by Julien Lefèvre and Nina Victorine Lefèvre-Kestler. A circular legend surrounds the effigy reading JEAN GRAND-DUC DE LUXEMBOURG, with the engraver's signature J.N.LEFEVRE appearing in the field. The overall presentation is typical of a die-trial or hub impression struck on a lead planchet to assess die quality and relief fidelity. |
|---|---|
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| Obverse lettering | JEAN GRAND-DUC DE LUXEMBOURG J.N.LEFEVRE |
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| Additional information |
This is an essai de frappe — a trial striking used to test die alignment, pressure, and metal flow before committing to a production run. Lead was a standard proofing medium in many European mints through the mid-twentieth century precisely because its low hardness and high density reveal die imperfections that harder alloys might obscure. The "var" suffix on the Lindman reference suggests this piece diverges in some measurable way from the catalogued type, most likely in weight or die state.