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<p>[QUOTE="fulguritics, post: 2310336, member: 76648"]The Andronicus II trachy you posted may have been produced with a reused (recarved) obverse die, or, more likely (judging from the multiple splits at the flan edge), an obverse to reverse overstrike, but it is the standard obverse type for the Thessalonican trachy, S.2393. Your "Isaac II" is Theodore I, Nicaea, S.2062. Could you provide a close, sharp set of images for the Andronicus II? I would benefit from being able to recognize the undertype, as I am assiduously undertaking an ambitious archaeometric project that utilizes these coins for the sake of calibrating mathematical time series multi-models to provide analytical accuracy for the use of numismatic proxies in the study of solar and climatic effects on economy, eventually providing a basis for recognition of demographic and political geographic changes through proper scaling of changes within monetary sequences and their inter-relations.[/QUOTE]</p><p><br /></p>
[QUOTE="fulguritics, post: 2310336, member: 76648"]The Andronicus II trachy you posted may have been produced with a reused (recarved) obverse die, or, more likely (judging from the multiple splits at the flan edge), an obverse to reverse overstrike, but it is the standard obverse type for the Thessalonican trachy, S.2393. Your "Isaac II" is Theodore I, Nicaea, S.2062. Could you provide a close, sharp set of images for the Andronicus II? I would benefit from being able to recognize the undertype, as I am assiduously undertaking an ambitious archaeometric project that utilizes these coins for the sake of calibrating mathematical time series multi-models to provide analytical accuracy for the use of numismatic proxies in the study of solar and climatic effects on economy, eventually providing a basis for recognition of demographic and political geographic changes through proper scaling of changes within monetary sequences and their inter-relations.[/QUOTE]
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