Hiberno-Norse Silver Penny, Phase V mule, crude bust left, trefoil of pellets to left (S.6139) + three birds around central pellet (S.6169). The Old Currency Exchange, Dublin, Ireland.

Irish Coin Daily: Hiberno-Norse Phase V Silver Penny Mule (crude bust left, trefoil of pellets to left (S.6139) + three birds around central pellet (S.6169)

Date: c. 1080 – 1085 Description: Hiberno-Norse coinage, silver penny mule, Phase V coinage. Diameter: 17mm Weight: c. 0.7g. Good very fine (gVF), with some surface cracks and flat areas Obverse: Crude bust left, trefoil of pellets to left (S.6139) Blundered and illegible legend around Reverse: Three birds around central pellet (S.6169) Blundered and illegible legend…

1961 Ireland Halfcrown - the differences between the normal and mule reverse

O’Brien Coin Guide: How to identify the Irish 1961 Halfcrown ‘Mule’ variety

The 1961 ‘mule’ halfcrown was struck in error (or, possibly deliberately) from a reverse die from the 1928-37 type.  In 1938 the halfcrown reverse – the side with the horse on it – had been redesigned to improve the striking characteristics of the coin.  A single example of the 1938 trial of the new die…