NAC Numismatica Ars Classica Ag Auction 38 - March 21, 2007 - Collection of Roman Coins by a Connoisseur of Portraiture - Roman Gold. Zurich, March 21, 2007. Cardcover, large format, 100 pages. 304 spectacular Roman imperial portrait coins, all in colour and all enlarged. Spectacular collection including most of the emperors with about half coins struck in gold and half in silver or bronze. Most of the coins are with excelent provenance. No PRL. English text. NAC's numbered auctions rivals anyone else's with highest quality coins and major rarities.