Gallienus has the neat "zoo series". Here is one of the tougher ones in it: SOLI CONS AVG Bull right. RIC 285. Cunetio, 1405. Ex Cederlind in 1995 at $60 at the CICF. I will include the Cederlind ticket. Please compare the prices to your favorite site elsewhere. [$69 SOLD] A rare type. Roman Republican. 123 BC. 18-17 mm. 3.92 grams. M. Fannius C.F. Sear 150. Crawford 275/1. RSC Fannia 1 Helmeted head of Roma right, ROMA behind. Victory in quadriga right M FAN C F . in exergue. [$89 SOLD] Shipping in the US is $4 for either coin. See http://augustusmath.hypermart.net/coinlist.html for more ancient coins and ancient-coin books.