bˌʌt ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti tˈuː, ðə stˈæmps ɔːθəntˈɪsᵻɾi bɪkˌeɪm ðə sˈʌbdʒɛkt əvə kˈoːɹt kˈeɪs, ænd ðeɪ wɜːɹ ɐdʒˈʌdʒd fˈɔːɹdʒɚɹiz.
But in 1922, the stamps' authenticity became the subject of a court case, and they were adjudged forgeries.