正面: Face value, large number 50 (halaru) inside a wreath of two branches with (10-10) 20 leaves, a ★ 5-pointed star at the top.
背面: 2nd coat of arms (1961-1990). State name around ČESKOSLOVENSKÁ SOCIALISTICKÁ REPUBLIKA, date at bottom without dots • 1963 • 或者 • 1964 • 或者 • 1965 • 或者 • 1969 • 或者 • 1970 • 或者 • 1971 •
设计者: Andrej Peter
边缘: G - grained, type: ᴖᴗᴖᴗ
Formerly known as: y66
km#55.2 small year 1969 without dots,
front muled with 10 Haleru, km#49.1