WITHERS. P. and B. (With help from JOhn Rainey and David Greenhalgh)
Irish Gunmoney and the Eemrgency Issues of 1689-1691. A Corpus and Die Study. Llanfyllin, 2020
Quarto, pp. 376; profusely illustrated throughout in colour. Case bound in laminate boards. With a chapter on Estimating the Number of Dies Used to Strike the Gunmoney Coinage by Gary Oddie.
A remarkable and exhaustive work on this (previously) confusing series. Highly-recommended predicted to have gone out of print before too long.