| Issuer | Luxembourg |
| Year | 1964 |
| Type | Patterns |
| Value | 20 Francs (20 LUF) |
| Currency | Franc (1854-2001) |
| Composition | Copper-nickel |
| Weight | 2.9 g |
| Dimensions | 21.15 mm |
| Thickness | 1.5 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | Julien Lefèvre, Nina Victorine Lefèvre-Kestler |
| In circulation to | |
| Reference(s) | L#M03_var, KM#M4a, Wictor#E152 |
| Obverse description | Portrait to the left of Jean (1921-), Grand Duke of Luxembourg from 1964 to 2000 surrounded by legend. Signature J.N. LEFEVRE under the cut of the neck. |
| Obverse script | Latin |
| Obverse lettering | JEAN GRAND DUC DE LUXEMBOURG J.N. LEFEVRE |
| Reverse description | In the center is a large crown above the word ESSAI, surrounded by ornaments of laurel leaves which intersect the legend and the figures. On the left the day and the month in Roman numerals (XII-XI) and on the right the year in Roman numerals (MCMLXIV) from the accession to the throne of Grand Duke Jean of Luxembourg. With the motto: JE MAINTIENDRAI. |
| Reverse script | Latin |
| Reverse lettering | XII-XI — MCMLXIV — JE MAINTIENDRAI
ESSAI (Translation: 12-11 1964 I WILL HOLD) |
| Edge | Milled |
| Mint | |
| Mintage | 1964 - (fr) Essai - rare - 200 |
| Catalog ID | 9896273530 |
| Comments |
