Obverse:

CNVT RECX A. Diademed bust left with sceptre.

Reverse:

ÆLINE ON CROC. Voided short cross with pellet centre.

A couple peck marks otherwise very fine and extremely rare. Most surviving examples of this type from Cricklade are held in institutional collections and are extremely rare in private hands. Same dies as SCBI 13 - Copenhagen Part III A - Number 284.

For reading about the mint see: 

W. Allan. (1881) 'The Cricklade Mint', The Wiltshire Archaeological and Natural History Magazine, Vol XIX, pg 283-298.