Watch List notes:

Celtic, Belgae, uninscribed coinage (c.60-20 BC), silver Unit, 1.23g, 'Hampshire Helmet' type, helmeted head left, rev. horse left, spiral sun above, ring-pellet below and before (ABC 851; VA-; S.-), struck from a slightly uneven blank, flan untidy before bust, good centres, underlying tones and a good size flan on this, good very fine, excessively rare. Subject to 20% VAT on Buyer’s Premium. For more information please view Terms and Conditions for Buyers.
provenance
Bt. Croker, 28 April 2011
Found nr. Upavon, Wiltshire

The 'Hampshire Helmet' type is listed in ABC as 'Unique?'. This specimen appeared on the market subsequent to publication of the reference work.
Estimate: £600.00 - £800.00