ˈoʊnli ɐ hˈændfəl ʌv ðiːz stˈæmps hæv sɚvˈaɪvd tə ðə pɹˈɛzənt dˈeɪ, ænd sˌoʊ ðeɪ ɑːɹ ɐmˌʌŋst ðə ɡɹˈeɪt ɹˈɛɹəɾiz ʌv fɪlˈætli.
Only a handful of these stamps have survived to the present day, and so they are amongst the great rarities of philately.