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<p>[QUOTE=&quot;scarborough, post: 3630002, member: 93146&quot;]I thought the group would be interested in reading about my experience with the ex-numis and the acsearch image search engines.</p><p><br /></p><p>My conclusion is that each works best for what each promotes: ex-numis for provenance, and acsearch for die links. However acsearch seems to be limited to results after 2000.</p><p><br /></p><p>I tried ex-numis with 15 coins. I was able to exclude those results I knew. Of my 15 submissions, it found one new provenance</p><p><br /></p><p><span style="color: #ff4d4d">edited - copyright</span></p><p><br /></p><p>I then tried 10 searches with acsearch using many of the same coins. Usually it picked up purchases since 2000, but nothing prior. For example, it found three listings of the above coin when it was in the market since 2000, but neither of the two times when it was auctioned prior to 2000.</p><p><br /></p><p>I then tested how acsearch functioned finding die links with two common coins: an Athenian fifth century tetradrachm, and a first century sestertius. It returned no results for the tetradrachm and about ten probably correct die links for the sestertius.[/QUOTE]</p><p><br /></p>

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