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| Number | KM# 183 |
|---|---|
| Country | Bulgaria |
| Period | People's Republic (1946 - 1990) |
| Currency | Bulgarian lev |
| Coin type | Collector coins |
| Denomination | 20 leva |
| Melt value | 11.2 XAGg x 0.500 = 8.97 USD |
| Year | 1989 |
| Subject | 120th Anniversary - Academy of Science |
| Edge type | Smooth |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Silver 0.500 |
| Weight (g) | 11.2 |
| Diameter (mm) | 30 |
| Thickness (mm) | 2.1 |
![]() | Coat of arms Legend Creators: Kancho Avramov |
|---|
![]() | Anniversary Constructions Legend Creators: Kancho Avramov |
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| Mint | Mintage | ||
|---|---|---|---|
| UNC | BU | Proof | |
| Bulgaria, Sofia | - | - | 100.000 |
| 1989 | SET | $ ***** |
