Watch List notes:

Ancient Coins, Roman, Dark Ages - Merovingian (580-670), gold tremissis, national coinage. minted at Canac, Rodez (France), copying a late Roman (4th-5th century AD) gold tremissis, pearl diad. bust, draped and cuirassed, CAN NACO, rev. RVTI NO, cross on globe, serpent in field upper right, in ex. IIII, wt. 1.17gms., about very fine, very rare
Found Hampshire, recorded PAS Hamp 38D124. This type is a very good example of the 'national civic' series, originating in Northern Frankia. The fact that it was found in the UK shows the trade links of the period.
Estimate: 1400-1600 GBP