1 Euro Pattern

Slovakia's euro changeover didn't happen until 2009, but the National Bank of Slovakia was producing trial strikes years earlier to test planchet specifications and vending machine compatibility across the eurozone. These 2004 patterns were never intended for public release — they circulated internally among banking and retail infrastructure committees evaluating readiness. Most were melted.

Survivors exist almost entirely through institutional channels rather than collector markets, which makes provenance an unusually relevant consideration for this type.