Len Cram
Lightning Ridge: Len Cram, 1998-2006.

The complete set of A Journey with Colour, the 4 volume history of opals in Australia. Full list of titles: Volume 1. A History of Queensland Opal, 1869-1979 (1998); Volume Two Part A. A History of White Cliffs Opal, 1889-1999 (2002); Volume Two Part B. A History of Lightning Ridge Opal, 1873-2003 (2004); Volume Three. A History of South Australian Opal, 1840-2005 (2006). All volumes signed on mounted frontispiece plates.