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<p>[QUOTE=&quot;The Eidolon, post: 3514371, member: 102103&quot;]Thanks for both replies!&nbsp; I had not seen the Rhodes paper before.&nbsp; If I can make out all the details correctly, my best guess is that the left one is type F(vii) (1912-1918) and the right one is type B(i) (1880-1894)</p><p><br /></p><p>It sounds as if all the detail changes were an anti-counterfeiting measure, so there must have been significant numbers of contemporary counterfeits.[/QUOTE]</p><p><br /></p>

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