Obverse:

SEGO in central panel, chain of two interleaved lines for border.

Reverse:

Horse and rider right, rings around.

Very fine or better and extremely rare, just 7 examples listed on the CCI.  

The much poorer example from the Geoff Cottam collection sold through Spink auction, 2 Dec 2015 - Lot 49 realised over £4,000 including buyers' premium.