A Bactrian silver tetradrachm of Eucratides circa 171 - 145 bc. A nice example in relatively high grade. i susopect the obverse surfaces have seen some smoothing however. Still very collectable IMHO. Again, another very 3 dimensional coin that is difficult to scan. looks like I will need to get my digital camera into action. It's 32 mm diam and weighs in at 16.5 gms.