The front cover and one of the 104 cyanotype plates from HB Dobbie’s New Zealand Ferns, estimated by Sotheby’s at £15,000- 20,000.
Offered as a part of the natural history section of a May 14 book sale at Sotheby’s (25/20/13.9% buyer’s premium) is an extremely rare photobook on New Zealand ferns by Herbert Boucher Dobbie issued c.1880 – no copy of which, it seems, has previously been seen at auction.