ɔːlðˈoʊ ðə stˈæmps wɜːɹ ɪn ɹˈɛɡjʊlɚ jˈuːs ʌntˈɪl æz lˈeɪt æz wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti sˈɪks, ʌvðə fˈoːɹ vˈæljuːz ˈɪʃuːd ˈoʊnli ɐbˌaʊt tˈuːhˈʌndɹɪd hæv sɚvˈaɪvd skˈɑːt tɹɛpˈɛlz sˈɛnsəs ɪnðə sˈiːdʒəl kˈæɾɐlˌɑːɡ lˈɪsts wˈʌnhˈʌndɹɪd nˈaɪnti sˈɛvən, bˌʌt sˈiː bᵻlˈoʊ, ʌvwˈɪtʃ twˈɛnti ˈeɪt ɑːɹ ʌnjˈuːzd, ænd θˈɜːɾi tˈuː ɑːɹ ˌɔn kˈʌvɚ.
Although the stamps were in regular use until as late as 1856, of the four values issued only about 200 have survived (Scott Trepel's census in the Siegel catalog lists 197, but see below), of which 28 are unused, and 32 are on cover.