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<p>[QUOTE=&quot;Gavin Richardson, post: 4864456, member: 83956&quot;]The auction catalogue entry has a long discussion of authentication measures drawing upon die studies. I think its concluding rhetoric works a bit too hard. (I tell my students to let their evidence, not their rhetoric, make their argument convincing.) But the discussion of the evidence makes for an interesting read. I present the final paragraph:</p><p><br /></p><p>&quot;Our own conclusions drawn from a study of the die-state progression of Cahn die ‘A’ clearly have important bearing on considerations concerning the present coin. That the EID MAR type was indeed struck in gold by Brutus as well as in silver must be considered to be beyond all reasonable doubt, as represented by the ‘Biaggi-Winckless’ coin now in the British Museum, and the NFA-Sotheby’s coin now in the collection of the Deutsche Bundesbank, which until recently were believed to be the only two surviving examples of the issue. The fact that the present aureus occupies a previously unrepresented stage in the die-state progression, combined with the fact that it is die-paired (O1/46) in accordance with the die progression prescribed by Cahn and confirmed by McCabe and Campana, and obvious physical properties of the coin (fabric, die axis, and strike properties) which are entirely consistent with the Deutsche Bundesbank example (being closer in state of preservation than the Biaggi-Winckless coin) and other contemporary ‘Liberator’ aurei in general, provides an unassailable argument in favour of the piece, which further augments our understanding of both the Biaggi-Winckless and Deutsche Bundesbank examples, and the series as a whole.&quot;</p><p><br /></p><p><a href="https://www.romanumismatics.com/221-lot-463-brutus-av-aureus?arr=0&amp;auction_id=75&amp;box_filter=0&amp;cat_id=&amp;department_id=&amp;exclude_keyword=&amp;export_issue=0&amp;gridtype=listview&amp;high_estimate=500000&amp;image_filter=0&amp;keyword=eid%20mar&amp;list_type=list_view&amp;lots_per_page=100&amp;low_estimate=100&amp;month=&amp;page_no=1&amp;paper_filter=0&amp;search_type=&amp;sort_by=lot_number&amp;view=lot_detail&amp;year=&amp;fbclid=IwAR0DG3zdGrP9TjHEp9Obi-oxry_Yam9gA1hSErbCoEIvbVxg2cpOR8aCfL4" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.romanumismatics.com/221-lot-463-brutus-av-aureus?arr=0&amp;auction_id=75&amp;box_filter=0&amp;cat_id=&amp;department_id=&amp;exclude_keyword=&amp;export_issue=0&amp;gridtype=listview&amp;high_estimate=500000&amp;image_filter=0&amp;keyword=eid%20mar&amp;list_type=list_view&amp;lots_per_page=100&amp;low_estimate=100&amp;month=&amp;page_no=1&amp;paper_filter=0&amp;search_type=&amp;sort_by=lot_number&amp;view=lot_detail&amp;year=&amp;fbclid=IwAR0DG3zdGrP9TjHEp9Obi-oxry_Yam9gA1hSErbCoEIvbVxg2cpOR8aCfL4" rel="nofollow">https://www.romanumismatics.com/221-lot-463-brutus-av-aureus?arr=0&amp;auction_id=75&amp;box_filter=0&amp;cat_id=&amp;department_id=&amp;exclude_keyword=&amp;export_issue=0&amp;gridtype=listview&amp;high_estimate=500000&amp;image_filter=0&amp;keyword=eid mar&amp;list_type=list_view&amp;lots_per_page=100&amp;low_estimate=100&amp;month=&amp;page_no=1&amp;paper_filter=0&amp;search_type=&amp;sort_by=lot_number&amp;view=lot_detail&amp;year=&amp;fbclid=IwAR0DG3zdGrP9TjHEp9Obi-oxry_Yam9gA1hSErbCoEIvbVxg2cpOR8aCfL4</a>[/QUOTE]</p><p><br /></p>

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