Czechoslovak koruna

The Czechoslovak koruna (in Czech and Slovak: "koruna československá", at times "koruna česko-slovenská" was the currency of Czechoslovakia from 10 April 1919 to 14 March 1939, and from 1 November 1945 to 7 February 1993.
The (last) ISO 4217 code and the local abbreviations for the koruna were "CSK" and "Kčs". One koruna equalled 100 "haléřů" (Czech, singular: "haléř") or "halierov" (Slovak, singular: "halier"). In both languages, the abbreviation "h" was used. The abbreviation was placed behind the numeric value.
Czech koruna.
The Czech koruna or Czech Crown has been the currency of the Czech Republic since 1993. The koruna is one of the European Union's 11 currencies, and the Czech Republic is legally bound to adopt the euro currency in the future.
The ISO 4217 code for the Czech Koruna is CZK. The symbol is Kč.
Slovak koruna.
The Slovak Crown or Slovak koruna has been the currency used in Slovakia since February 8, 1993. It replaced the Czechoslovak Crown. Slovak koruna should not be mistaken with the Slovak koruna during the World War II (Slovak: "koruna slovenská", short Ks, notice word order)
The ISO 4217 code for the Slovak koruna is SKK. The symbol is Sk. One Koruna is equal to 100 hellers (written shortly as "hal.", in Slovak singular: "halier"). The symbol is put after the amount. 
Slovak koruna exists in these values: 50 h, 1 Sk, 2 Sk, 5 Sk, 10 Sk, 20 Sk, 50 Sk, 100 Sk, 200 Sk, 500 Sk, 1000 Sk and 5000 Sk. 10 h and 20 h are not used since 31 December 2003.
The central rate of Slovak koruna against euro was 35.4424 SKK as of 19 March 2007. Slovakia will use Euro instead of koruna from 1 January 2009.