1910-19, Sultan Zenalabidin, 1c-$5, complete set of 18 with additional color varieties of 1c, both 10c and 20c, watermark Multiple Crown CA, full OG, LH/hinged, F/VF, C.v. $590, SG #1/17, a, £515 (Image)

1910-19, Sultan Zenalabidin, $25 green and rose carmine, nicely centered high value with black overprint ''Specimen'', full OG, LH, VF, SG18s, £425 (Image)

SULTAN BADARU'L-ALAM ISSUES - GROUP: 1921-41, 50 mint stamps, starting with definitive issue 1c-$3 (less 5c brown and gray), then $3 and $5 with watermark Multiple Crown CA and ''Malaya. Borneo. Exhibition'' complete set of 11 plus varieties and two sets of Postage Dues with two extra values, nice quality unit, full/large part of OG, F/VF, SG #23/60, £1,600++ (Image)

1938, Sultan Badaru'l-alam, $5 red and green on yellow paper, watermark Multiple Script CA, nice and fresh, full OG, previously hinged, F/VF, SG #44, £650 (Image)

1938, Sultan Badaru'l-alam, $25 blue and purple, watermark Multiple Script CA, nice and fresh, full OG, light trace of hinge, VF and rare high value, SG #45, £1,400 (Image)

1941, Sultan Badaru'l-alam, 2c yellow orange, 6c slate gray and 15c ultra, three unissued values due to arrival after Japanese Occupation, full OG, mainly LH, VF and scarce, SG #47 fn, £975 (Image)

1921, Sultan Badaru'l-alam, $1, $3, and $5, complete set of three high values, printed on paper with watermark Multiple Crown CA, full OG, NH ($5) or LH ($1)/hinged, VF, SG #23/25, £275 as hinged (Image)

1922, black overprint ''Malaya. Borneo. Exhibition.'' on Sultan Zenalabidin stamp of $3 red and green on green paper, raised stop after ''Exhibition'' variety, large part of OG, VF, C.v. £425 (Image)

1957-63, Sultan Ismail, Animals, Views, 1c-$5, complete set of 11, blocks of four, $5 with perforation 12½, full OG, NH, VF, C.v. $270, SG #89/99, £292++ (Image)