1878 Large Dragon, Extra Circle die proof, setting I, 3 cands brown red in horizontal pair, with an ‘Extra Circle’ at the left lower claw, without gum. With tiny grease mark. Rare. Est. HK$35,000-40,000 (Image1)

Est. HK$35,000-40,000

1898 CIP Coiling Dragon, engraved black colour die on card, no value indication, size 43 x 54mm, very rare. Est. HK$10,000-12,000 (Image1)

Est. HK$10,000-12,000

1898 CIP Coiling Dragon, engraved die proof on card, 1/2c green, size 53 x 52.80mm, full size, very rare. Est. HK$7,000-8,000 (Image1)

Est. HK$7,000-8,000

1898 CIP Coiling Dragon, engraved die proof on card, 10c chocolate, size 55.28 x 57.35cm. Full size. Very rare. Est. HK$7,000-8,000 (Image1)

Est. HK$7,000-8,000

1898 CIP Coiling Dragon, engraved die proof on card, 10c scarlet, size 52.05 x 52.05cm. Full size.Very rare. Est. HK$7,000-8,000 (Image1)

Est. HK$7,000-8,000

1898 CIP Coiling Dragon, engraved die proof on card, 1c light green, size 52.90 x 52.90mm, full size, very rare. Est. HK$7,000-8,000 (Image1)

Est. HK$7,000-8,000

1898 CIP Coiling Dragon, engraved die proof on card, 2c dull red, size 52.30 x 53.5mm, full size, very rare. Est. HK$7,000-8,000 (Image1)

Est. HK$7,000-8,000

1898 CIP Coiling Dragon, engraved die proof on card, 4c dull violet, size 53 x 53.70cm. Full size. Some tiny spots on front. Very rare. Est. HK$7,000-8,000 (Image1)

Est. HK$7,000-8,000

1898 CIP Coiling Dragon, engraved die proof on card, 5c green, size 52.35 x 52.85cm. Full size. Very rare. Est. HK$7,000-8,000 (Image1)

Est. HK$7,000-8,000

1898 CIP Jumping Carp, engraved die proof on card, 16c red brown, size 53.30 x 54.2cm. Full size. Very rare. Est. HK$10,000-12,000 (Image1)

Est. HK$10,000-12,000

1898 CIP Jumping Carp, engraved die proof on card, 20c green, size 52.55 x 53.70cm. Full size. Very rare. Est. HK$10,000-12,000 (Image1)

Est. HK$10,000-12,000

1909 Hsuan Tung First Year engraved die proof on thick paper, apple green, no value indication, shows the frame only, issued by Waterlow & Sons, size 54.17 x 53.25mm, very fine and rare. Est. HK$12,000-15,000 (Image1)

Est. HK$12,000-15,000

1911 Postage Due London print, brown colour engraved die imperf. proof on thick card, from 1/2c,1c, 2c, 4c, 5c, 10c, 20c and 30c, complete set of 8, those are the same values as the first London print, but the issued stamps are in blue colour, size approx. 44.65 x 55.50mm, full size, very hard to assembly as a complete set, very rare, very fine and fresh. Est. HK$100,000-150,000 (Image1)

Est. HK$100,000-150,000