From the Ancient Imports vcoins.com store. See http://www.ancientimports.com/
 
 gF/gF Maximus AE24 / Minerva

 Attribution: Moushmov 3657
 Date: 235-238 AD
 Obverse: Maximus r.
 Reverse: Minerva holding spear and shield next to olive tree
 Size: 24.69 mm
 Weight: 8.3 grams
 Description: A nice and quite scarce provincial bronze

Price 
  US$ 78  € 62.79
 £ 42.42
 AUD$ 100.88
 CHF 96.88
 CAD$ 91.74

Rates for 9/9/2005