| Issuer | Greece |
| Year | 2009 |
| Type | Non-circulating coin |
| Value | 10 Euros |
| Currency | Euro (2002-date) |
| Composition | Silver (.925) |
| Weight | 9.75 g |
| Dimensions | 28.25 mm |
| Thickness | 1.92 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Geórgios Stamatópoulos |
| In circulation to | |
| Reference(s) | KM#228 |
| Obverse description | Typical bright stars, the Greek national emblem and the €10 denomination are depicted. |
| Obverse script | Greek |
| Obverse lettering | ΕΛΛΗΝΙΚΗ ΔΗΜΟΚΡΑΤΙΑ
10 ΕΥΡΩ (Translation: HELLENIC REPUBLIC 10 EURO) |
| Reverse description | Spiral galaxy surrounded by the inscription “2009 INTERNATIONAL YEAR OF ASTRONOMY”. |
| Reverse script | Greek |
| Reverse lettering | 2009
ΔΙΕΘΝΕΣ ΕΤΟΣ ΑΣΤΡΟΝΟΜΙΑΣ (Translation: 2009 INTERNATIONAL YEAR OF ASTRONOMY) |
| Edge | Smooth with ten indentations (`Spanish flower`) |
| Mint | National Mint of the Bank of Greece (Νομισματοκοπείο - ΙΕΤΑ), Athens, Greece(1972-date) |
| Mintage | 2009 - Proof, in Sets only - 5 000 |
| Catalog ID | 4235050450 |
| Comments |
