From the Wayne Sayles vcoins store:

Egypt, Alexandria: Galba / Kratesis

Year 1 (AD 69-9). Bn tetradrachm , 23mm. Laureate head of 
Galba to right / Kratesis standing to left, holding trophy and 
Nike. aVF, Emmett 173(1). 

      Price 
        US$ 95  € 75.19
       £ 51.70
       AUD$ 125.23
       CHF 116.20
       CAD$ 119.92

      Rates for 5/19/2005