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20 Lire Stonemason
| Issuer | San Marino |
| Year | 1978 |
| Type | Commemorative circulation coin |
| Value | 20 Lire (20 SML) |
| Currency | Lira (1864-2001) |
| Composition | Aluminium bronze |
| Weight | 3.6 g |
| Dimensions | 21.25 mm |
| Thickness | 1.5 mm |
| Shape and Technique | Round
Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | Antonio Berti |
| In circulation to | |
| Reference(s) | KM#80 |
| Obverse description | Arms of San Marino modified with city walls and value below towers. |
| Obverse script | |
| Obverse lettering | REPVBBLICA DI SAN MARINO
1978
L 20 |
| Reverse description | Stonemason, kneeling over his work with hammer raised in right hand. |
| Reverse script | |
| Reverse lettering | |
| Edge | Plain |
| Mint | |
| Mintage | 1978 - In sets only - 130 000
|
| Catalog ID | 5415059720 |
| Comments | |
