This is an un-ashamed plug for the latest volume of the award winning Encyclopaedia by Prof. S. David Rockoff and Mike Jackson which has just (December 2011) been published.
Quote:
Volume 3 includes comprehensive listings (usually of dated covers) of:
• Coloured Maltese Crosses
• The late use of red ink
• The use of datestamps as cancellations
• Post Office seals used as obliterators
• London Numbered Crosses
• Updates to existing chapters
• Crosses from some new towns
• Tuck’s ‘Hermetic Envelope’
• The use of bisected stamps
• Usage contrary to Post Office instructions and notices
• The unofficial use of invalid stamps such as the 1d black VR and 1841 2d proof
The price is £65 plus £5 postage (to anywhere) and is available directly from the authors at
http://www.mjpublications.com/or on eBay
http://www.ebay.co.uk/itm/170749275558Chris.