Grierson's book may still be available, may be worth doing a Google or
ebay search.
(publ. Seaby, London, 1991. ISBN 1 85264 058 8,
246 pages, 478 pictures of coins included in text)
I bought my copy new, about 12 years ago, cost me AU$80.
Possible that a business like Spinks in London may be able to procure a copy for you.
Covers all of European coinage history over 1,000 years from 5th to 15th century. 248 pages of the best numismatic research in a general numismatic book I have ever come across.
I have 4 volumes Krause 16th to 20th century which neatly follows on from this. Also have extensive numismatic library that extends from the invention of coinage up the start of the medieval era, as well as World coinages, up to current date.
Other relevant books that you may find interesting:-
'
Gimpses of History' by Brian Hannon (around 2000 pictures of coins covering the whole of numismatic history 600 BC-1990 AD in all cultures)
'
The Coin Atlas', Joe Cribb Barrie Cook and Ian Carraidice, publ. Macdonald & Co., 1990, ISBN 0-356-17486-7. (336 pages, maps, histories of countries, with hundreds of coin illustrations. Covers the whole of numismatics 600 BC to 1990.
'
Historic Gold Coins of he World', by Burton Hobson. copyright 1971. Beautifully illustrated and produced. covers the whole of the history of numismatics 600 BC- 1970, in all cultures. ISBN 07137 0544 2.
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Get onto the Vcoins website, and make yourself familiar with all aspects of it.
Search for coins that comply with the title of this thread. Should bring up coins that are currently for sale, to give you a good idea of current values.
I have also searched
MA Shops 'bulgarian' - an excellent price research resource.