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<p>[QUOTE="robp, post: 24499036, member: 96746"]1860 pattern penny by the Birmingham die sinker Joseph Moore - Peck 2114. ex Colin Adams.</p><p>[ATTACH=full]1552989[/ATTACH]</p><p>This is a restrike by Moore for Shorthouse struck in 1886. Peck inexplicably lists this as struck in Antimony, but it is questionable how he arrived at this conclusion. Analysis by Freeman gave 2 parts Tin : 1 part Lead and my own XRF analysis comparing Antimony, Tin and the coin, showed the main component to be tin. Antimony having a similar spectrum to Tin, but approx. 100 keV higher in energy. Apologies for the unequal scaling.</p><p>[ATTACH=full]1552994[/ATTACH]</p><p><br /></p><p>[ATTACH=full]1552991[/ATTACH][ATTACH=full]1552992[/ATTACH]</p><p><br /></p><p>Charles I B5/2 shilling, ex Lockett</p><p>[ATTACH=full]1552995[/ATTACH]</p><p><br /></p><p>Charles I groat with mm. Book, struck by Thomas Bushell at Aberystwyth. ex Brooker collection</p><p>[ATTACH=full]1552996[/ATTACH]</p><p><br /></p><p>William III 1697N sixpence, struck at the Norwich mint during the recoinage. ex Alfred Bole Collection.</p><p>[ATTACH=full]1552999[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="robp, post: 24499036, member: 96746"]1860 pattern penny by the Birmingham die sinker Joseph Moore - Peck 2114. ex Colin Adams. [ATTACH=full]1552989[/ATTACH] This is a restrike by Moore for Shorthouse struck in 1886. Peck inexplicably lists this as struck in Antimony, but it is questionable how he arrived at this conclusion. Analysis by Freeman gave 2 parts Tin : 1 part Lead and my own XRF analysis comparing Antimony, Tin and the coin, showed the main component to be tin. Antimony having a similar spectrum to Tin, but approx. 100 keV higher in energy. Apologies for the unequal scaling. [ATTACH=full]1552994[/ATTACH] [ATTACH=full]1552991[/ATTACH][ATTACH=full]1552992[/ATTACH] Charles I B5/2 shilling, ex Lockett [ATTACH=full]1552995[/ATTACH] Charles I groat with mm. Book, struck by Thomas Bushell at Aberystwyth. ex Brooker collection [ATTACH=full]1552996[/ATTACH] William III 1697N sixpence, struck at the Norwich mint during the recoinage. ex Alfred Bole Collection. [ATTACH=full]1552999[/ATTACH][/QUOTE]
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