The string "10kr 2004 tiu kronur" does not correspond to any recognized coin or currency.
Iceland issued a 10 króna coin in 2004 (standard circulation, nickel-plated steel, 27.5 mm). Value: face (10 ISK ≈ $0.07 USD) unless proof/uncirculated in original packaging.
For accurate identification, provide: country, denomination, year, metal, condition, and any mint marks. A numismatist or Numista can help.