A quantity of coin reference books

A quantity of coin reference books, including: Robert Plant, 'Arabic Coins and How to Read Them'; David R. Sear, 'Byzantine Coins and their Values'; W. H. Valentine, 'Modern Copper Coins of the Muhammadan States' and 'The Copper Coins of India' (parts I & II in one volume); T. Desikachari, 'South Indian Coins'; Paul Balog, 'The Coinage of the Ayyubids'; and other titles. [qty]