British Coins: First issue (1 January 1558/9 to 30 November 1560)
Elizabeth I (1558-1603), First issue, IRELAND, Edward VI, Shilling, mdlii, mm. harp, obv. countermarked with greyhound [to revalue it at Twopence-Farthing], 5.10g/7h (N 1990; S 2547). Coin worn but the date and mint-marks clear, countermark fine and clear, extremely rare, especially on an Irish undertype £2,000-£3,000
---
Provenance: Bt Spink October 1984.
The late owner's ticket makes it clear that the late Chris Comber and Michael Sharp, and Barrie Cook at the British Museum, were all confident of the coin and countermark's authenticity