This is very similar to the crest of Beckford Bevan, though there is no supporting evidence to substantiate this claim.
Other possibilities are: Fairbairn’s Crests, plate 61/14: Cleve; Cliffe; Clive; Evelyn; Finch; Finche; Watson.
Dimensions: Crests 1. A wyvern holding in its mouth a sinister hand couped at the wrist (Herbert) 2. A griffin passant ducally gorged (Clive) Coronet of a Viscount
Dimensions: Arms Quarterly 1 & 4. Or a griffin passant azure on a chief sable three pheons argent (Gardiner)
2 & 3. Gules a fess or between three lions rampant (Stewart) Supporters Dexter A man in complete armour and Sinister A queen in royal robes the mantle doubled ermine her hair dishevelled ducally crowned Coronet of an Earl Motto NIL DESPERANDUM
Dimensions: Arms Quarterly 1 & 4. Or a griffin passant azure on a chief sable three pheons argent (Gardiner)
2 & 3. Gules a fess or between three lions rampant (Stewart) Supporters Dexter A man in complete armour and Sinister A queen in royal robes the mantle doubled ermine her hair dishevelled ducally crowned Coronet of a Viscount Motto NIL DESPERANDUM