| Issuer | Czechoslovakia |
| Year | 1972-1990 |
| Type | Standard circulation coins |
| Value | 20 Haléřů / Halierov (0.20 CSK) |
| Currency | Koruna (1953-1992) |
| Composition | Nickel brass (79% Copper, 20% Zinc, 1% Nickel) |
| Weight | 2.6 g |
| Dimensions | 19.5 mm |
| Thickness | 1.5 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | František David |
| In circulation to | 28 September 1993 |
| Reference(s) | KM#74, Schön#80 |
| Obverse description | Socialist coat of arms, year of minting below. |
| Obverse script | Latin |
| Obverse lettering | ČESKOSLOVENSKÁ SOCIALISTICKÁ
REPUBLIKA
1990 (Translation: Czechoslovak Socialist Republic 1990) |
| Reverse description | Five-pointed star above value, engraver`s initial to the left. |
| Reverse script | Latin |
| Reverse lettering | 20 h D |
| Edge | Reeded |
| Mint | |
| Mintage | 1972 - - 25 820 000 1973 - - 39 095 000 1974 - - 24 795 000 1975 - - 30 025 000 1976 - - 30 540 000 1977 - - 30 655 000 1978 - - 30 095 000 1979 - - 12 120 000 1980 - Varieties I+A and I+B exist - 52 300 600 1981 - - 35 126 160 1982 - - 41 238 847 1983 - - 50 160 000 1984 - - 33 684 957 1985 - - 40 454 791 1986 - - 37 055 000 1987 - - 26 975 000 1988 - - 18 259 999 1989 - - 29 980 000 1990 - - 15 030 000 |
| Catalog ID | 5654163710 |
| Comments |
