1891 20c, 50c and $1 surcharges, set of three, h.r., fine-v.f., cat. $367 (Cat No. 61,62,70) (Image)

Cat. $367, Est.US$150

1891 surcharges, 7c, 14c, 20c and 50c, four different, also 20c on 30c gray green, l.h. or h.r., fine-v.f., cat. £945 (Cat No. SG 43-45,45a,46) (Image)

Cat. £945, Est.US$300

1891 surcharges, 20c (2), 50c and $1, l.h. or h.r., fine-v.f., last one with 2012 Brandon certificate, cat. £643 (Cat No. SG 48,48a,49-50) (Image)

Cat. £643, Est.US$250

1891 Hong Kong Jubilee, also $1 on 96c black, gray black, two different shades, l.h., fine, cat. £925 (Cat No. SG 51,52,52a) (Image)

Cat. £925, Est.US$300

1898 10c on 30c, also same with handstamped Chinese characters, two different, l.h. or h.r., fine-v.f., cat. £825 (Cat No. SG 54,55,55a) (Image)

Cat. £825, Est.US$300

1917 "On Active Service" cover "Via SS Empress of Russia" addressed to Mrs. Morley, Douglas, Isle of Man, showing an excellent strike of red "Official Paid Hong Kong 18 De 17" (Webb Type C), with censor cachet of 25th Middlesex Regt Officer Commanding, Col.John Ward, M.P., fine (Image)

Est.US$500

1920 (29 Apr) cover endorsed "On Active Service" from British Forces in Siberia to Taikoo, Hong Kong, showing "Field Post Office 201" double-ring cds, with red "Official Paid Hong Kong" (Webb Type C) at bottom, plus "Hong Kong Wan Tsai" (Webb Type A) 10 May 20 arrival pmk on back, minute cover flaws and pinhole, fine and uncommon destination from British Army in Siberia to Hong Kong, showing extremely rare markings, 2017 BPA certificate (Image)

Est.US$5,000

1891-1938 $5 on $10 purple and 5c green, l.h., v.f., cat. £550 (Cat No. SG F9,12) (Image)

Cat. £550, Est.US$200