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在2008年和2013年，Maria Teresa Marabini Moevs基於[[圖像學]]的理由，提出沃倫杯是為迎合愛德華·佩里·沃倫的品味，由20世紀的[[工匠]]仿製而成<ref name=mtmoevs1>M.T. Marabini Moevs, “Per una storia del gusto: riconsiderazioni sul Calice Warren,” in ''Bollettino d’Arte'', (Ministero per i Beni e le Attività Culturali) '''146''', Ottobre -Dicembre 2008, pp. 1-16. ([http://151.12.58.195//opencms/export/BollettinoArteIt/sito-BollettinoArteIt/Contributi/Editoria/BollettinoArte/Abstracts/visualizza_asset.html_866997595.html abstract] {{Wayback|url=http://151.12.58.195//opencms/export/BollettinoArteIt/sito-BollettinoArteIt/Contributi/Editoria/BollettinoArte/Abstracts/visualizza_asset.html_866997595.html |date=20110810142013 }})</ref><ref>Mary Beard took note of "strongly-held suspicions" that the cup may be 19th century in her 13 November 2010 ''Guardian'' [http://www.guardian.co.uk/books/2010/nov/13/history-world-hundred-objects-review review] of Neil MacGregor's ''A History of the World in 100 Objects'' (accessed 12 November 2012). See discussion under "Question of authenticity".</ref>。德國考古學家{{tsl|en|Luca Giuliani|路卡·朱利安尼}}起初也以[[圖像學]]為由，懷疑沃倫杯似為20世紀的膺品<ref>{{citation|last=Luca |first=Giuliani |year=2013 |journal=Zeitschrift für Ideengeschichte |volume=7 |issue=3 |title=Ein Kelch für Mr. Warren |pages=77–92|url=https://www.z-i-g.de/pdf/ZIG_3_2013_giuliani.pdf}}.</ref>，但他在2015年發現比以前測試出來更為充足的[[氯化銀]]腐蝕證據，由此確證了沃倫杯的真實性<ref>{{citation|last=Luca |first=Giuliani |year=2015 |journal=Zeitschrift für Ideengeschichte |volume=9 |issue=3 |title=Der Warren-Kelch im British Museum: Eine Revision |pages=89–110|url=https://www.z-i-g.de/pdf/ZIG_3_2015_archiv_89.pdf}}.</ref>。