From Walter Holt's store at vcoins.com:
http://www.vcoins.com/ancient/oldmoney/store/dynamicIndex.asp

AC132. Egypt, Alexandria, Numerian 283-284 Billon Tetradrachm.

Obv: A K M A NOYMEPIANOC CEB, Laureate and draped bust of 
Numerian, right. 
Rev: ETOYC [Γ], Nike walking right, holding wreath and palm. 
Dated year 3 (Γ) =AD284. 
(7.46g) Emmett 4022

      Price 
        US$ 80  € 63.91
       £ 43.61
       AUD$ 105.10
       CHF 97.83
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      Rates for 5/13/2005