Samuel, Marcus - Specimen Stamps of the Crown Colonies
1857-1948Publisher: The Royal Philatelic Society, London, 1976.
Hardback, illustrated, 255 pages + 16 plates, a couple of scratches to the front cover, dusty marks/foxing to the page-edges, a few tiny spots of foxing to the endpapers otherwise internally clean, a Good working copy.
The definitive handbook on specimen stamps of the British Empire. Long out of print. 
