ðɪs mətˈɪɹiəl, nˈoʊn æz pˈɜːfɚɹˌeɪɾᵻd kˈɑːɹdbˈoːɹd æt ðə tˈaɪm, fˈɜːst bɪkˌeɪm ɐvˈeɪləbəl ɪnðə wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd twˈɛnti z æz plˈeɪn ʃˈiːts jˈuːzd fɚðə kɹiːˈeɪʃən ʌv bˈʊkmɑːɹks ænd smˈɔːl mˈɑːɾoʊz ænd sˈeɪɪŋz, ˈɔfən tˈeɪkən fɹʌmðə bˈaɪbəl.
This material, known as Perforated card-board at the time, first became available in the 1820s as plain sheets used for the creation of bookmarks and small mottoes and sayings, often taken from the Bible.