Obverse:

EDWARD DEI G REX ANG Z FRA DNS HYB Z AQT. King standing facing in a ship, sword in right hand, shield in left, annulet before Edward, double satire stops. satire between E and X of REX, crescent on forecastle. No flag.

Reverse:

IHC AVTEM TRANCIENS PER MEDIVM ILLORV IBAT. Florated cross with lis terminals, lions between with crowns above, all within tressure of eight arches, saltire stops, C in centre. Barred A of IBAT

Better than very fine, perfectly centred, full flan, minor crease marks. Overall this is a very rare coin in almost as struck condition. Metal detecting find, Bucks Oct 2000.

Same obverse as 107 and 108 in the Herbert Schneider Collection and British Museum Collection 1911,0806.75 (rev with inverted C in centre) and 1911,0806.76 (C over pellet in centre)

References

Lawrence, L. A.. "THE COINAGE OF EDWARD III FROM 1351. Part IV". The Numismatic Chronicle and Journal of the Royal Numismatic Society 13.49 (1933): 15-79.

Potter W. J. W. "THE GOLD COINAGES OF EDWARD III: PART II. (A) THE TREATY PERIOD (1361-9)". The Numismatic Chronicle and Journal of the Royal Numismatic Society, Seventh Series, Vol. 4 (1964) pp. 305-318

Whitton C. A.. 1941 "A _NOTE_ON THE POST-TREATY NOBLES OF _EDWARD III"  The Numismatic Chronicle and Journal of the Royal Numismatic Society (1941) 

Woodhead, P. “The Herbert Schneider Collection. Volume One. English Gold Coins 1257 - 1603.” SCBI 47. SPINK. (1996): Plate 10