MacDowall, David William <br/><br/>
Coin collections :  their preservation, classification and presentation / 
David William MacDowall 
 - Paris :  Unesco,  1978 
 - 82 p., (11) p. of plates ;  21 cm. 
<br/><br/> Suppl. The audio-visual script with cross-references to book. Paris: Unesco, 1978. 8p. ; 20cm 
<br/><br/><label>ISBN: </label>9231016199 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numismatics--Collectors and collecting<br/>Coins--Preservation