

COPY
| Number | X# 16 |
|---|---|
| Country | Netherlands |
| Period | ECU (1979 - 1999) |
| Ruler | Beatrix |
| Currency | ECU |
| Coin type | Commemorative coins |
| Denomination | 2½ ECUs |
| Year | 1989 |
| Subject | Constantijn and Christiaan Huygens |
| Edge type | Smooth |
| Shape | Round |
| Alignment | Coin (180°) |
| Composition | Copper-Nickel |
| Weight (g) | 15 |
| Diameter (mm) | 33 |
| Thickness (mm) | 2.8 |
![]() | Ships Legend Creators: Willem Vis |
|---|
![]() | Great people Legend Creators: Willem Vis |
|---|
| Mint | Mintage | ||
|---|---|---|---|
| UNC | BU | Proof | |
| Unknown, Unknown | - | 18.608 | - |
| 1989 | SET | $ ***** |
