1889 Combination franking of North Borneo 1883 2c. red-brown (SG 1, for domestic postage) tied by "KUDAT/A/10/JL/1889" cds and Straits Settlements 1882 8c. (SG 52, for international postage) tied by black "SINGAPORE P.O." double-ring on insufficiently franked cover from the "Rotterdam-Borneo Maatschappij" shipping company to Rotterdam/Holland with Dutch tax mark "20" and a 20c. postage due adhesive tied by numeral h/s "91", on reverse with sender cachet, Singapore '17 July 89' transit cds and arrival postmarks. The Dutch postage due stamp slightly toned around, envelope slightly stained, but still a good and A VERY RARE COVER. (Image)