ðə fˈɜːst stˈæmps fɚðə sˈʌðɚn zˈoʊn kˈɔːld kˈeɪp dʒˈuːbi wɜːɹ ˈɪʃuːd ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪkstiːn, ˌoʊvɚpɹˈɪntɪŋ "kˈɑːboʊ dʒˈuːbaɪ" ˌɔn stˈæmps ʌv ɹˈiːoʊ də ˈoːɹoʊ.
The first stamps for the southern zone called Cape Juby were issued in 1916, overprinting "CABO JUBI" on stamps of Río de Oro.