26 Oct 2021

Original version.

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02 Dec 2021

York mule struck from local die, Group F obverse and London-made die type III reverse added to mules on Identification Aids page.

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18 Sep 2024

Additional York Type IIa image, UKDFD 58211, added to IIa gallery (Obv. die, Greenhalgh 2iv). Sources on Acknowledgements page updated to reflect the addition. 'Greenhalgh' entry added to Bibliography.

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