| Issuer | Belgium |
| Year | 2021 |
| Type | Non-circulating coin |
| Value | 12.5 Euros |
| Currency | Euro (2002-date) |
| Composition | Gold (.999) |
| Weight | 1.25 g |
| Dimensions | 14 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#427 |
| Obverse description | The Belgian lion seated with its paw overhanging a stele on which are engraved the inscriptions `BELGISCH GRONDWET - CONSTITUTION BELGE`. The inscriptions `BELGIE - BELGIQUE - BELGIEN` run along the edge of the coin. Under the lion, the value of the 121/2 euro coin and the `qp` hallmark. |
| Obverse script | Latin |
| Obverse lettering | BELGIE - BELGIQUE - BELGIEN
BELGISCHE GRONDWET
CONSTITUTION BELGE
1831
121/2 EURO
qp (Translation: Belgium Belgian constitution) |
| Reverse description | |
| Reverse script | Latin |
| Reverse lettering | - ANTWERP - CITY OF DIAMONDS - 2021 |
| Edge | Plain |
| Mint | Royal Dutch Mint (Koninklijke Nederlandse Munt), Utrecht, Netherlands (1010-date) |
| Mintage | 2021 - Proof - 2 500 |
| Catalog ID | 5684290710 |
| Comments |
