1878 Envelope from GB to Japan with "Singapore-To / Hong Kong Marine Sorter" double circle transit ds on reverse, franked with 1d red single & pair plus 6d grey paying single rate plus late fee, Yokohama and native arrival ds, scarce (Image)

1891 $1 on 48c dull purple, unused, fine (SG £450), cert. Sismondo (Image)

1898 "10 CENTS" on 30c grey-green with additional "large Chinese character", mint og with light pencil notation and offset, very fine, cert. Hong Kong Stamp Society (1997) (SG £ ) (Image)

1904-06 $3 Slate & Dull Blue, wmk Crown CA, mint og, very fine (SG £450) (Image)

1904-06 $5 Purple & Blue-Green, wmk Crown CA, mint og, very fine (SG £650) (Image)

1912-21 CA $5 green and red, mint, fine (SG £700) (Image)

1921-37 $5 Green & Red on emerald, wmk Script CA, mint og, very fine (SG £500) (Image)