Country: Czechoslovakia (Socialist Republic of Czechoslovakia)
Nominal: 10 hellers
Period of chasing: 1961 -1971
Years of chasing of these coins: 1962 (2 pcs.), 1968
Fully identical, the difference is only in the year of chasing
Material: aluminium
Diameter: 22 mm
Thickness: 1.2 mm
Weight: 1.17 g
Edge: ribbed