項次 1991

1911 Macau (15 Aug) to Customs Swatow, f.w. provisional label 1a + 2a in pair on reverse. On front with Direccao do Correios de Macau cds. Transit Hong Kong (16 Aug). Arrived Swatow BPO (17 Aug). No. 144 usage of the provisional label recorded by Choi Cheong Too.

1911.8.15 澳門寄汕頭海關，背貼局長代簽票1仙 + 2仙直雙連，正鈐Direccao do Correio de Macau日戳。8.16經香港。817抵汕頭英局。 蔡昌道記錄的“郵資簽條”第144件使用例子。