From the vcoins store of inclinatioroma,
  
 NERO BI Tetradrachm Alexandria Emperor Enthroned 23.3 mm 12.4 
 gm aFine

 NERO (54-68 AD) Billon Tetradrachm.  Year-5, struck 58-59 at 
 Alexandria.  Laureate head of Nero facing right/Emperor seated 
 on throne, facing left, holding patera and sceptre.  
 Milne-181, Emmett-120, Year-5, struck 58-59 at Alexandria.  
 23.3 mm.  12.4 grams. about Fine. 

Price 
 US$ 50  € 40.89
£ 27.60
AUD$ 66.27
CHF 62.72
CAD$ 62.43

Rates for 6/3/2005