1919 Republic $1 booklet with contents of Junk 1c orange 4 panes of 6 (missing pane of 4) & 3c green 3 panes of 6, plus a pr (missing 4 stamps). F-VF MNH, front cover faded, contents quite fresh. Chan B5. SG SB1 cat £18,000 = A$34,000. Great rarity, only several recorded & most in worse condition than this. 2023 Ceremuga photo cert . (P) (Image1)

Estimate AU$1,500

1925 Surcharge issue '3 Cts.' in red on Junk 4c slate-grey 2nd Peking printing, error opt INVERTED. Superb fresh MLH, nice original gum & excellent centring. Sc 274a cat US$300,000. SG 370a cat £110,000. Chan 281a. CSS 327b cat US$250,000. One of the greatest rarities of 20th Century Chinese philately, certainly the top of the 'Four Treasures of the Republic'. Only ten examples of this error were originally reported discovered in 1925, seven mint & three used. Offerred only on the basis of the current certificate, but still an amazing opportunity to purchase this pristine quality item, which is offerred with very low reserve. 2010 Philatelic Foundation (New York) photo cert. (P) (Image1)

Estimate AU$50,000