Bulgaria and the euro numerals). However, the word stotinki (стотинки), singular stotinka (стотинка), the name of the subunit of the current Bulgarian currency, could be used in place of cent, as it has become a synonym of the word "coins" in colloquial Bulgarian; just like "cent" (from Latin centum), its etymology is from a word meaning hundred – "sto" (сто). Stotinki is used widely in the Bulgarian diaspora in Europe to refer to subunits of currencies other than the Bulgarian lev. Bulgaria and the euro Bulgaria committed to switching its currency, the lev, to the euro upon its joining the European Union in 2007,
Fractional currency were employed: experimental paper, adding surcharges, overprints, blue end paper, silk fibers, and watermarks to name a few. Fractional currency shields which had single sided specimens were sold to banks to provide a standard for comparison for detecting counterfeits. Postage and fractional currency remained in use until 1876, when Congress authorized the minting of fractional silver coins to redeem the outstanding fractional currency. Three people were depicted on fractional currency during their lifetime: Francis E. Spinner (Treasurer of the United States), William P. Fessenden (U.S. Senator and Secretary of the Treasury), and Spencer M. Clark (Superintendent of the National Currency