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<p>[QUOTE=&quot;-jeffB, post: 2457585, member: 27832&quot;]I thought I remembered seeing something like that here soon after I joined, late in 2010. I never was able to track it down again, though. It might just have been one of the periodic discussions about distinguishing 1916 SLQs from other dateless Type 1&#039;s; I was pretty fuzzy on most things at that point.</p><p><br /></p><p>I haven&#039;t looked hard for it in the intervening years, but if I&#039;ve gone this long without coming across it, I&#039;m starting to think it doesn&#039;t exist. There are an <i>awful</i> lot of dateless Type 2 SLQs out there, and some (1923-S) would surely have some value even dateless if they showed unambiguous identifiers. If it were possible to pick them out, we&#039;d be seeing them on eBay and elsewhere.</p><p><br /></p><p>On a related note, it&#039;s apparently conclusively impossible to restore dates on SLQs. <i>That</i> seems like a shame. I entertained thoughts of turning a high-powered X-ray or electron-beam source on them when I worked in an academic lab environment, in hopes of spotting some structural changes under the worn-off date, but it was kind of farfetched at best.[/QUOTE]</p><p><br /></p>

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