

COPY
| Number | KM# 1 |
|---|---|
| Country | Czechoslovakia |
| Period | First Republic (1919 - 1938) |
| Currency | Czechoslovak koruna |
| Coin type | Circulation coins |
| Denomination | 20 hellers |
| Year | 1921 - 1938 |
| Edge type | Smooth |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Copper-Nickel |
| Weight (g) | 3.33 |
| Diameter (mm) | 20 |
| Thickness (mm) | 1.4 |
![]() | Coat of arms Description Legend Creators: Otakar Španiel (O·ŠPANIEL) |
|---|
![]() | Plant Tool, device Description Legend Creators: Otakar Španiel (O·ŠPANIEL) |
|---|
| Year | Mintage | Rarity | Value, USD | ||
|---|---|---|---|---|---|
| UNC | BU | Proof | |||
| 1938 | 18.787.000 | - | - | A | $ 0.53 |
| 1937 | 8.208.000 | - | - | ||
| 1933 | + | - | - | ||
| 1931 | 5.000.000 | - | - | ||
| 1930 | + | - | - | ||
| 1929 | 4.225.000 | - | - | ||
| 1928 | 14.018.000 | - | - | ||
| 1927 | 11.757.000 | - | - | ||
| 1926 | 14.825.000 | - | - | ||
| 1925 | 4.244.000 | - | - | ||
| 1924 | 20.931.000 | - | - | ||
| 1922 | 9.100.000 | - | - | ||
| 1921 | 40.000.000 | - | - | ||
